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Periactin (Cyproheptadine)

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Generic Periactin is used to relieve cold- and allergy-related symptoms such as hay fever, nasal inflammation, stuffy nose, red and inflamed eyes, hives, and swelling. Generic Periactin is approved by FDA. Generic Periactin blocks the effects of the naturally occurring chemical histamine in your body.

Other names for this medication:

Similar Products:
Atarax, Phenergan, Flonase, Allegra


Also known as:  Cyproheptadine.


Generic Periactin is used to treat fever, nasal inflammation, stuffy nose, red and inflamed eyes, hives, swelling and other symptoms of cold and allergy.

Generic Periactin blocks the effects of the naturally occurring chemical histamine in your body.

Periactin is also known as Cyproheptadine, Ciplactin, Periactine, Ciproral.

Generic name of Generic Periactin is Cyproheptadine.

Brand name of Generic Periactin is Periactin.


Generic Periactin can be taken in tablets (4mg) and syrup. You should take it by mouth.

Take Generic Periactin by mouth with or without food.

Measure the syrup form of Generic Periactin with a special dose-measuring spoon or cup.

If you want to achieve most effective results do not stop taking Generic Periactin suddenly.


If you overdose Generic Periactin and you don't feel good you should visit your doctor or health care provider immediately. Symptoms of Generic Periactin overdosage: extreme sleepiness, confusion, weakness, ringing in the ears, blurred vision, large pupils, dry mouth, flushing, fever, shaking, insomnia, hallucinations, seizure.


Store at room temperature between 15 to 30 degrees C (59 to 86 degrees F) away from moisture and heat. Keep container tightly closed. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

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The most common side effects associated with Periactin are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.


Do not take Generic Periactin if you are allergic to Generic Periactin components.

Try to be careful with Generic Periactin if you're pregnant or you plan to have a baby, or you are a nursing mother. Generic Periactin can harm your baby.

Do not take cyproheptadine if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in the last 14 days.

Be careful in taking Generic Periactin if you have glaucoma or pressure in the eye, stomach ulcer, enlarged prostate, bladder problems, difficulty urinating, hyperthyroidism, hypertension, any problems with heart, asthma.

Be careful with taking Generic Periactin if you use anxiety or sleep medicines such as alprazolam (Xanax), diazepam (Valium), chlordiazepoxide (Librium), temazepam (Restoril), or triazolam (Halcion); anti-depression medications such as amitriptyline (Elavil), doxepin (Sinequan), nortriptyline (Pamelor), fluoxetine (Prozac), sertraline (Zoloft), or paroxetine (Paxil); any other medications that make you feel drowsy, sleepy, or relaxed.

Avoid machine driving while taking Generic Periactin.

Avoid alcohol.

Do not stop taking Generic Periactin suddenly.

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Episodic hyperhidrosis and hypothermia are the primary symptoms of a rare central nervous system disorder of thermoregulation which is often associated with agenesis of the corpus callosum and can present in childhood or adult years. During attacks, patients may exhibit confused, withdrawn, and lethargic behavior and ataxia or other neurologic symptoms. A 21-year-old man with temperature chronically between 30 and 32 degrees C transiently responded to phenobarbital and to cyproheptadine therapy. A 34-year-old woman with frequent, brief episodes of hypothermia and hyperhidrosis improved with chlorpromazine treatment. Episodic thermoregulatory disturbance has been attributed to "vagal attacks" or "diencephalic epilepsy," but the pathophysiology remains undefined.

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After one month of loratadine sVCAM-1 levels had a significant decrease (from 724.8 to 625 ng/ml) while sICAM-1 levels had a slight but not significant increase. Control patients did not have significant variations in sVCAM-1 or sICAM-1 serum levels. During regular antihistamine therapy patients improved their clinical scores.

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A potential role for endogenous serotonin (5-hydroxytryptamine) in the control of the migrating motor complex (MMC) was investigated in 10 conscious dogs. Strain gage force transducers or silver bipolar recording electrodes were sewn along the small intestine to record motor or myoelectrical patterns of activity, respectively. After an 18-hr fast, serotonin stimulated phase II-like circular muscle contractions when administered during phase I of the MMC. Methysergide produced a prolonged atropine-resistant increase in the number of contractions throughout the jejunum and ileum, thus suggesting agonist activity. Phase III contractions were not apparent during the methysergide-induced contractile activity. Cyproheptadine blocked the initiation and the migration of MMCs along the small intestine and significantly increased the period of the MMC. 5-methoxy-N,N-dimethyltryptamine also increased the period of the jejunal MMC. Pretreatment with parachlorophenylalanine reduced qualitatively the contractile amplitude and appearance of phases II and III of the MMC and significantly reduced the MMC period in two of four dogs. In conclusion, endogenous serotonin affects motor activity during MMC phases II and III and appears to be a candidate regulator of the intrinsic mechanisms governing the initiation and propagation of the canine MMC.

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The effects of serotonin and its related compounds on immunoreactive thyrotropin-releasing hormone (ir-TRH) concentrations of the rat stomach wall and gastric juice were studied. Either serotonin, cyproheptadine or GR38032F was injected intraperitoneally, and the rats were decapitated at various times after the injection. ir-TRH concentrations of the stomach wall and gastric juice were measured by radioimmunoassay, and gastric serotonin concentrations were measured by HPLC. ir-TRH concentrations of the stomach wall decreased, and ir-TRH concentrations of gastric juice increased significantly after serotonin injection. On the other hand, both cyproheptadine and GR38032F did not affect ir-TRH concentrations of the stomach. The effects of serotonin on ir-TRH concentrations of the stomach were significantly blocked by the pretreatment of cyproheptadine and GR38032F. The reciprocal changes of gastric ir-TRH and serotonin concentrations were observed without changes in gastric juice pH. These findings suggest that serotonin stimulates ir-TRH release from the stomach wall into gastric juice, and the effects of serotonin on ir-TRH release may be partly mediated via 5-HT2- and 5-HT3-receptors.

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It seems that cyproheptadine with its diverse effects can be a potential option for prevention of postoperative delirium. In this pilot study, cyproheptadine significantly decreased the incidence but not severity of postoperative delirium.

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To date, despite several years of co-ordinated efforts in basic and clinical research, practice guidelines for the prevention and treatment of cancer-related muscle wasting are lacking, mainly because of the multifactorial pathogenesis of the syndrome. From all the data presented, one can speculate that one single therapy may not be completely successful in the treatment of cachexia. From this point of view, treatments involving different combinations are more likely to be successful.

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Anorexia, cachexia, and resultant weight loss are major clinical problems in a substantial proportion of patients with advanced cancer. Effective means of alleviating these problematic symptoms are lacking. Extensive clinical data demonstrate a weight enhancing effect for the serotonin antagonist, cyproheptadine, in several clinical situations. In addition, sound basic research suggests that cyproheptadine may be helpful in patients with cancer anorexia/cachexia. Because of this, the authors performed a randomized, placebo-controlled, double-blinded clinical trial using cyproheptadine, 8 mg orally three times a day in 295 patients with advanced malignant disease. Patients assigned to cyproheptadine had less nausea (P = 0.02), less emesis (P = 0.11), more sedation (P = 0.07), and more dizziness (P = 0.01) than placebo patients. Patients' appetites, measured by serial patient-completed questionnaires, appeared to be mildly enhanced by cyproheptadine. Unfortunately, cyproheptadine did not significantly abate progressive weight loss in these patients with advanced malignant disease; patients assigned to cyproheptadine lost an average of 4.5 pounds per month compared to 4.9 pounds per month for patients assigned to a placebo (P = 0.72).

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We examined the effects of 5-HT on the feeding behaviour patterns of rats pretreated with mianserin (5-HT(1B/2A/1D receptor antagonist) or cyproheptadine (a 5-HT(2c) receptor antagonist), injected into the pariventricular hypothalamus nucleus (PVN). The animals were kept at 21 +/- 1 degrees C with a 12 h light and 12 h dark cycle on a self-selected feeding paradigm, and provided with freely available and separate sources of proteins, carbohydrates, fats and water. The results indicate that the suppressive effect of 5-HT on carbohydrate intake can be blocked by mianserin and cyproheptadine even at the onset of the natural (dark) feeding period; however, this is a distinct blockade in the paradigm of feeding behavior. All of the meal patterns of fat intake and rest remained unaffected.

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To review information on desloratadine, a nonsedating antihistamine.

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Rats, loaded intravenously with [125I] human serum albumin, were injected intradermally with adenosine agonists at sites on the back. 30 min later plasma protein extravasation at each injection site was determined.

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Eighteen healthy male and female Japanese volunteers aged 20-53 years were randomized to receive fexofenadine HCl 60 mg twice daily, loratadine 10 mg once daily or placebo in a 1-day, three-period, double-blind, crossover study. For each treatment, the wheal and flare response to 100 mg/mL histamine was assessed at baseline and at 1, 1.5, 2, 2.5, 3, 3.5, 4, 8, 12 and 24 hours post-dose. Blood samples were taken for pharmacokinetic analysis.

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A HPLC-UV determination of loratadine in human plasma is presented. After simple liquid-liquid extraction with 2-methylbutane-hexane (2:1) and evaporation of organic phase the compounds were re-dissolved in 0.01 M HCl, evaporated again and finally separated on a Supelcosil LC-18-DB column. The analyses were done at ambient temperature under isocratic conditions using the mobile phase: CH3CN-water-0.5 M KH2PO4-H3PO4 (440:480:80:1, v/v). UV detection was performed at 200 nm with a limit of quantification of 0.5 ng/ml. The precision was found to be satisfactory over the whole range tested (0.5-50 ng/ml) with relative standard deviations of 2.3-6.3 and 5.2-14.1% for intra- and inter-assays, respectively.

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Our results showed that for a 10(-4) M-histamine stimulation, L and DCL have a similar inhibitory effect on P-selectin expression (IC50 = 13 x 10[-9] M and 23 x 10[-9] M, respectively). L and DCL inhibited significantly IL-6 and IL-8 secretion induced by histamine with a more powerful efficiency of the active metabolite. For the dose of 10(-4) M histamine, a 50% inhibition of IL-6 secretion was obtained for a dose of DCL equal to 2.6 x 10(-12) M whereas the same magnitude of effects were only reached for a higher concentration of L (0.3 x 10[-6] M). Similar results were obtained for IL-8 (IC50 = 0.2 x 10[-6] M for L and 10[-9] M for DCL). Analysis of IL-8 mRNA expression by RT-PCR was in accordance with these data.

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To assess the appeal of new sugar-free/dye-free syrup and orodispersible formulations of the second-generation antihistamine desloratadine to parents of children with allergy in four European countries.

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Desloratadine and montelukast conferred a significant degree of protection compared to placebo for peak and AUC response, but there were no significant differences between the two drugs. For the peak response as percentage fall, the mean difference (95% CI) vs placebo was 27.7 (8.0, 47.4)% for desloratadine and 17.6 (1.9, 33.3)% for montelukast.

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In this multicenter, double-blind study, participants (N = 598) with symptomatic seasonal AR were administered either a combination tablet of desloratadine 2.5 mg/pseudoephedrine 120 mg (DL/PSE) bid, a desloratadine 5.0 mg qd and a placebo tablet, or pseudoephedrine 120 mg bid. Participants assessed their symptom severity twice daily over the 2-week treatment period.

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Three methods are presented for the simultaneous determination of cyproheptadine hydrochloride (CP), thiamine hydrochloride (B1), riboflavin-5-phosphate sodium dihydrate (B2), nicotinamide (B3), pyridoxine hydrochloride (B6), and sorbic acid (SO). The chromatographic method depends on a high performance liquid chromatographic (HPLC) separation on a reversed-phase, RP 18 column. Elution was carried out with 0.1% methanolic hexane sulphonic acid sodium salt (solvent A) and 0.01 M phosphate buffer containing 0.1% hexane sulphonic acid sodium salt, adjusted to an apparent pH of 2.7 (solvent B). Gradient HPLC was used with the solvent ratio changed from 20:80 to 70:30 (over 9 min), then to 80:20 (over 11 min) for solvent A:B, respectively. Quantitation was achieved with UV detection at 220 and 288 nm based on peak area. The other two chemometric methods applied were principal component regression (PCR) and partial least squares (PLS). These approaches were successfully applied to quantify each drug in the mixture using the information included in the UV absorption spectra of appropriate solutions in the range 250-290 nm with the intervals Deltalambda = 0.4 nm at 100 wavelengths. The chemometric methods do not require any separation step. The three methods were successfully applied to a pharmaceutical formulation and the results were compared with each other.

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This study demonstrates a better overall protection of a single dose of levocetirizine compared with desloratadine in an NPT with grass pollen allergen. In contrast to late-phase inflammatory markers, which were unaffected, extravascular leakage of the early-phase marker albumin was significantly limited by levocetirizine.

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The conversion of tertiary amines to quaternary ammonium glucuronides was investigated in human liver microsomes, and characteristics of the UDP-glucuronosyltransferase (UGT) catalyzing quaternary ammonium glucuronidation were evaluated. In addition, a rabbit liver microsomal UGT mediating this reaction was studied. The kinetics of quaternary ammonium glucuronidation of cyproheptadine, tripelennamine, amitriptyline, and doxepin in intact human liver microsomes was determined. Tripelennamine was found to have the lowest apparent KM and was used as a representative substrate for further studies. A polyclonal antibody preparation raised in sheep against rabbit liver p-nitrophenol UGT was found to inhibit tripelennamine glucuronidation in solubilized human liver microsomes, but had no effect on p-nitrophenol, 4-methylumbelliferone, 4-aminobiphenyl, estriol, morphine, or naloxone glucuronidation. This antibody also inhibited tripelennamine glucuronidation in solubilized rabbit liver microsomes, but had little or no effect on estrone, testosterone, estradiol, androsterone, and morphine glucuronidation. Chlorpromazine competitively inhibited tripelennamine glucuronidation. This inhibition was markedly enhanced by UV light irradiation. [3H] Chlorpromazine binding to solubilized human liver microsomes was also increased by UV light. The binding was antagonized by substrates for tertiary amine UGT but not by substrates for morphine UGT. These studies suggest that the tertiary amine UGT is photo-affinity-labeled by chlorpromazine. Furthermore, it would appear from immunoinhibition and [3H]chlorpromazine labeling experiments that tertiary ammonium glucuronidation is catalyzed by a unique and distinct UGT in rabbit and human liver microsomes.

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The inhibitory effect of the two H1 antagonists clemastine and loratadine on histamine release in human skin was studied in 15 volunteers. The antihistamines and placebo were administered orally (clemastine 2 mg twice a day, loratadine 10 mg once a day) for 5 days according to a double-blind, crossover design. Clemastine caused a significant sedation in comparison with placebo, whereas there was no difference between loratadine and placebo in this respect. After 5 days' medication, flare reaction was induced by intradermal injection of histamine and the histamine liberator compound 48/80. The antihistamine dosages were approximately equipotent and inhibited the flare response induced by histamine to about the same extent, whereas the flares induced by compound 48/80 were still more inhibited by both drugs. The results indicate that clemastine and loratadine not only inhibit histamine effects at H1 receptor level, but have additional suppressive effects, probably due to inhibition of mast cell degranulation. The simple, virtually noninvasive, in vivo technique described in this paper does not require chemical analysis of the released mediators and could be used to screen 'mast cell stabilizing' effects of various antihistamines.

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We present a case of urticaria caused by antihistamines in a patient with nonsteroidal anti-inflammatory drug (NSAID) sensitivity. A 35-year-old man experienced, on 2 separate occasions, immediate generalized urticaria during treatment with ibuprofen and naproxen, respectively. A single-blind, placebo-controlled oral challenge (SBPCOC) with piroxicam was carried out, and resulted in urticaria and angioedema 3 hours later. Two hours after initial clinical resolution, the patient developed multiple wheals on the trunk and upper limbs. He described similar delayed reactions after oral antihistamine administration on previous occasions. SBPCOCs with acetaminophen and etoricoxib were performed, with good tolerance. Skin prick and patch tests with loratadine and cetirizine were negative. After an SBPCOC with loratadine, the patient developed generalized urticaria 90 minutes after intake. Tolerance to fexofenadine 180 mg was confirmed. We describe the first case of a possible new subset of antihistamine urticaria, and suggest calling this NSAID-sensitive antihistamine-induced urticaria/angioedema.

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The goal of this study was to determine if the opioid system which is stimulatory to prolactin (PRL) secretion develops before the serotonergic system which regulates PRL release. The opioid and serotonergic systems were chosen for comparison because evidence exists that functional serotonergic neurons are necessary for opiate-induced PRL secretion in adult rats. Haloperidol and morphine produced a dose-related stimulation of PRL release in animals of all ages. In contrast, the serotonin agonists, quipazine and m-chlorophenylpiperazine, and the serotonin-releasing drug p-chloroamphetamine produced dose-related increases in PRL release in adult rats, but not in neonatal rats. The PRL response to the serotonin precursor 5-hydroxytryptophan was potentiated by fluoxetine only in animals 15 days of age or older. PRL secretion induced by these serotonergic agents was blocked by cyproheptadine, a serotonin receptor antagonist. Unlike PRL, corticosterone and growth hormone secretion were stimulated by quipazine and 5-hydroxytryptophan plus fluoxetine in both adult and neonatal rats. These findings suggest that stimulatory opioid control of PRL secretion and the dopaminergic mechanism which tonically inhibits PRL release are intact in the neonatal rat. In contrast, the stimulatory serotonergic mechanism is not functional until between 10 to 15 days of age. This late maturation appears to be specific to the serotonergic neurons regulating PRL release because the corticosterone and growth hormone responses to serotonergic stimulation develop early in ontogeny.

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The development of tolerance to morphine-induced motor activity of mice and rats, as well as the influence of drugs which alter the brain serotonergic functions on the development of morphine tolerance was studied. Tolerance to morphine was induced by subcutaneous implantation of morphine-base pellets. After 72 h pellets were removed and 6 hr later motility was tested. Implantation of morphine pellets caused the development of tolerance to morphine-induced motor activity of mice and rats. Development of morphine tolerance was inhibited in mice and rats by p-chlorophenylalanine (pCPA) or reserpine, drugs which decrease content of brain serotonin. 5-hydroxytryptophan (5-HTP) inhibited the above effect of pCPA in mice, while tryptophan did not. Administration of 5-HTP, which protected serotonin stores against depleting action of reserpine decreased inhibiting action of reserpine on the development of morphine tolerance in rats. Although cyproheptadine and pizotifen did not alter the development of morphine tolerance in rats, nevertheless, it seems from these results that serotonin neurotransmission is of some importance in the development of tolerance to morphine.

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We analyzed data from the NBDPS, a multi-site case-control study of major birth defects, for mothers of live-born infants without birth defects (controls), with an expected date of delivery (EDD) from 1998 to 2011. Mothers from the 10 participating centers across the United States were interviewed by phone between 6 weeks and 2 years after the EDD. We focused on maternal race/ethnicity and five maternal risk factors: obesity, use of folic acid-containing multivitamins, opioid analgesics, selective serotonin reuptake inhibitors, and loratadine because of their prevalence of use and some reports of associations with major birth defects. Prevalence time trends were examined using the Kendall's τβ test statistic.

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The authors report on a female patient of 45 years of age suffering from multiple intracerebral metastases of a bronchial carcinoid. Neurologically, intermittent short-term disturbances of word finding were noticeable. Multiple cerebral foci surrounded buy periactin by pronounced concomitant oedemas were seen in MR and CT with inhomogeneous contrasts. The diagnosis was confirmed histologically by treatment concepts besides radiotherapy (1, 15, 17) are: intravenous administration of cisplatinum (14), interferon (16) and cyproheptadine (9). The treatment course adopted by the authors is based on an aetiopathogenetic approach, using somatostatin analogues. In the case under report, the somatostatin analogue SMS-201-995 (Sandostatin Sandoz) was applied in doses of 3 x 100 micrograms for a period of eight weeks, in short-term combination with daily doses of methyl prednisolone 40 mg (Urbason Höchst). With this treatment course the patient became free from complaints. No increased growth of the cerebral foci of infection could be observed neuroradiologically during the follow-up period of up to now six months.

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A single dose of desloratadine does buy periactin not potentiate alcohol-mediated CNS impairment. Desloratadine alone or in combination with alcohol was safe and well tolerated.

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Allergic rhinitis (AR) is now recognised as a global health problem that affects 10-30% of adults and up to 40% of children. Each year, millions of buy periactin patients seek treatment from their healthcare provider. However, the prevalence of AR maybe significantly underestimated because of misdiagnosis, under diagnosis and failure of patients to seek medical attention. In addition to the classical symptoms such as sneezing, nasal pruritus, congestion and rhinorrhoea, it is now recognised that AR has a significant impact on quality of life (QOL). This condition can lead to sleep disturbance as a result of nasal congestion, which leads to significant impairment in daily activities such as work and school. Traditionally, AR has been subdivided into seasonal AR (SAR) or perennial AR (PAR). SAR symptoms usually appear during a specific season in which aeroallergens are present in the outdoor air such as tree and grass pollen in the spring and summer and weed pollens in the autumn (fall); and PAR symptoms are present year-round and are triggered by dust mite, animal dander, indoor molds and cockroaches. Oral histamine H(1)-receptor antagonists (H(1) antihistamines) are one of the most commonly prescribed medications for the treatment of AR. There are several oral H(1) antihistamines available and it is important to know the pharmacology, such as administration interval, onset of action, metabolism and conditions that require administration adjustments. When prescribing oral H(1) antihistamines, the healthcare provider must take into account the clinical efficacy and weigh this against the risk of adverse effects from the agent. In addition to the clinical efficacy, potential for improvement in QOL with a particular treatment should also be considered.

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Angioneurotic edema is a rare (0.1-0.2%) but potentially life-threatening side effect of angiotensin-converting enzyme inhibitors. It can result in serious respiratory distress, airway obstruction and death. Angiotensin-converting enzyme inhibitors associated angioedema is clinically poorly recognized and frequently underestimated condition. A case history of patient with angioneurotic edema due to treatment with ramipril is presented. A 51-year-old man has been sequentially treated for two years with atenolol, indapamide, enalapril, and fosinopril due to primary arterial hypertension. When the treatment was switched to ramipril 5 mg twice a day the fourth dose of the drug was followed by buy periactin swelling of lips, tongue, and pharynx without symptoms of airway obstruction. Ramipril was discontinued, prednisolone 120 mg and loratidine 10 mg were given. Symptoms of angioedema gradually disappeared. Mechanisms of angioedema are not fully clear. Pharmacological action of angiotensin-converting enzyme inhibitors on bradykinin and substance P, immunological mechanisms and disarrangements in complement system are discussed. Treatment includes immediate withdrawal of angiotensin-converting enzyme inhibitors and acute therapy with epinephrine 0.3-0.5 ml subcutaneous, 50 mg diphenhydramine s/c or i/v, 40-50 mg methylprednisolone. Future treatment with angiotensin-converting enzyme inhibitors is contraindicated.

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This review examines the studies that have been performed in pediatric buy periactin patients, in addition to exploring the treatment options commonly used in pediatrics and adolescents for migraine and their rationale for use.

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In a phase 1, single-dose, open-label, pharmacokinetic study in 58 children aged > or =6 months- <1 year and > or =1 year- < or =2 years were randomly assigned to desloratadine syrup 0.625 mg (1.25 ml) and 1.25 buy periactin mg (2.5 ml), respectively. Because the volume of blood that could be collected from individual subjects was limited, a population pharmacokinetic approach was used to estimate the pharmacokinetics of desloratadine. Safety was assessed based on results of screening and postdose physical examinations, laboratory safety tests, vital signs, and adverse events.

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Toxin-induced hyperthermic syndromes are important to consider in the differential diagnosis of patients presenting with fever and muscle rigidity. If untreated, toxin-induced hyperthermia may result in fatal hyperthermia with multisystem organ failure. All of these syndromes have at their buy periactin center the disruption of normal thermogenic mechanisms, resulting in the activation of the hypothalamus and sympathetic nervous systems.The result of this thermogenic dysregulation is excess heat generation combined with impaired heat dissipation. Although many similarities exist among the clinical presentations and pathophysiologies of toxin-induced hyperthermic syndromes, important differences exist among their triggers and treatments. Serotonin syndrome typically occurs within hours of the addition ofa new serotonergic agent or the abuse of stimulants such as MDMA or methamphetamine. Treatment involves discontinuing the offending agent and administering either a central serotonergic antagonist, such as cyproheptadine or chlorpromazine, a benzodiazepine, or a combination of the two. NMS typically occurs over hours to days in a patient taking a neuroleptic agent; its recommended treatment is generally the combination of a central dopamine agonist, bromocriptine or L-dopa, and dantrolene. In those patients in whom it is difficult to differentiate between serotonin and neuroleptic malignant syndromes, the physical examination may be helpful:clonus and hyperreflexia are more suggestive of serotonin syndrome,whereas lead-pipe rigidity is suggestive of NMS. In patients in whom serotonin syndrome and NMS cannot be differentiated, benzodiazepines represent the safest therapeutic option. MH presents rapidly with jaw rigidity, hyperthermia, and hypercarbia. Although it almost always occurs in the setting of surgical anesthesia, cases have occurred in susceptible individuals during exertion. The treatment of MH involves the use of dantrolene. Future improvements in understanding the pathophysiology and clinical presentations of these syndromes will undoubtedly result in earlier recognition and better treatment strategies.

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Systemic administration of the known H1-antagonists suppresses histamine sensitivity of both skin and nasal mucosa buy periactin in the same degree. Drugs with more potent antihistaminic activity (fexofenadin and cetirisin) inhibited allergen-induced reactions more effectively. The order of the tested drugs by suppression of allergen-provoked skin and nasal reactions (by lowering antiallergic activity) is the following: fexofenadin and cetirisin > ebastin and loratadin > clemastin.

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There is some evidence that a pharmacological intervention is necessary for rectal disimpaction in childhood constipation and that PEG is the first line therapy. In contrast, for the other early FGIDs there is a lack of well-designed high-quality RCTs and no evidence on the use of pharmacological therapy was buy periactin found.

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Several serotonin inhibitors have been shown to reduce neurologic deficits in experimental CNS ischemia. Using biochemical and histological methods we tested the effects of the serotonin inhibitors cyproheptadine and brom-LSD in a highly reproducible rabbit spinal cord ischemia model. Detailed mapping of regional spinal cord blood flow was used to guide sampling for the biochemical studies. We found that it is possible to study biochemical and morphological aspects of spinal cord ischemia in great detail using a combination of quite precise techniques. However, at this level of resolution there were no substantial changes in biogenic amine concentrations in severely ischemic or marginally buy periactin perfused tissue after the durations of ischemia that cause the onset of irreversible tissue damage. Treatment with doses of serotonin inhibitors that produce preservation of neurological function did not cause significant alterations of tissue concentrations of biogenic amines or tissue morphology in treated versus untreated animals.

periactin mg 2016-03-14

1. The effects of the volatile oil (V.O.) of the black seed (Nigella sativa) on the arterial blood pressure and heart of urethane-anaesthetized rats were investigated and the effects were compared with those of its constituent thymoquinone (T.Q.). 2. Intravenous administration of V.O. in the dose range (4-32 microliters kg.-1) or T.Q. (0.2-1.6 mg kg-1) to rats decreased the arterial blood pressure and the heart rate in a dose-dependent manner. 3. The effects of V.O. were significantly antagonized by treatment of the animals with cyproheptadine, hexamethonium atropine and by spinal pithing. 4. Treatment of the animals with reserpine (5 mg buy periactin kg- 1 day-1 for 2 days) significantly antagonized the cardiovascular depressant effects induced by 4 and 8 microliters of V.O. kg-1 but not those induced by the larger doses. 5. T.Q.-induced cardiovascular depressant effects were significantly antagonized by atropine and cyproheptadine but not by reserpine. 6. The results suggested that V.O.-induced cardiovascular depressant effects were mediated mainly centrally via indirect and direct mechanisms that involved both 5-hydroxytryptaminergic and muscarinic mechanisms. The direct mechanisms may be due to the presence of T.Q. in the V.O. The V.O. seemed to possess the potential of being a potent centrally acting antihypertensive agent.

periactin cyproheptadine tablets 2017-11-17

Compared with loratadine alone, olopatadine adjunctive to buy periactin loratadine provides greater relief of ocular itching and redness, a better quality of life, and is well tolerated in patients with seasonal allergic conjunctivitis.

periactin suspension 2017-02-28

The scavenging Aciphex Online effects of cyprohepdadine (Cyp), an antiserotonin-antihistaminic agent with significant calcium channel blocker activity, on oxygen free radicals were studied. Cyp was found to significantly scavenge the hydroxyl radical (.OH) produced by Fenton reaction (Fe(2+)+H2O2) (EC50 = 54 mumol/L) and inhibit the rate of .OH generation (IC50 = 22 mumol/L). The inhibitory effects of Cyp were significantly more potent than those of mannitol, a specific .OH scavenger, with EC50 of 22.7 mmol/L and 10.7 mmol/L respectively. Cyp was also shown to have certain scavenging effect on superoxide anion (O2-.) produced by peritoneal polymorphonuclear leukocytes (PMNs) in rats (IC50 = 179 mumol/L). These results suggest that the anti-myocardial injury activity of Cyp may be, at least partially, related to its scavenging effects on oxygen free radicals.

periactin migraine reviews 2017-06-02

Eighteen patients with severe symptoms of the carcinoid syndrome were assessed for hepatic embolisation. Four were too ill, and one had mild symptoms; thus 13 received a periembolisation regimen of cyproheptadine, fenclonine, aprotinin, methylprednisolone, tobramycin, flucloxacillin, and metronidazole. Embolisation was not performed in one patient with an occluded portal vein and was unsatisfactory in two others, in one because she was moribund and in the other because the hepatic artery had been ligated. Dramatic improvement in symptoms occurred in the nine patients in whom embolisation was successfully carried out, with abolition of flushing, severe abdominal pain, and wheeze and reduction in diarrhoea from 10. Imdur Dose Equivalent 5 (SD 7.6) to 1.6 (0.9) stools/day. Urinary excretion of 5-hydroxyindole acetic acid fell from 1048 (716) to 289 (184) mumol/24 h (200 (137) to 55 (35) mg/24 h). Complications included one death from septicaemia, a hepatic abscess requiring surgical drainage, abdominal pain in three patients, pleural effusion in two, and transient encephalopathy in one. Relief of symptoms lasted for one to 24 months, and second embolisation in two patients produced further remissions of four to six months. Five patients died, one to 40 months after embolisation, in four cases because of metastases or heart failure. Hepatic embolisation is the treatment of choice for symptoms of the carcinoid syndrome resistant to medical treatment.

periactin cost 2017-01-17

This case demonstrates an acute presentation of unwitnessed seizure causing typical injuries. Progress in hospital was complicated by worsening autonomic disturbance and agitation, typical for serotonin syndrome, suspected in light of recent selective serotonin reuptake inhibitor antidepressant initiation. Supportive care required Aldactone Acne Dosage treatment in the intensive care unit setting but full recovery ensued. This case not only reminds clinicians of the potential pitfalls in assessing postictal injured patients, but also that serotonin syndrome requires a high-index of diagnostic suspicion given the range of presenting features. Management ranges from simple withdrawal of the offending agent to specific therapies such as a cyproheptadine.

periactin syrup 2017-07-15

Desloratadine was significantly superior to placebo in maintaining nasal airflow (P Zithromax 500mg Tablets

periactin tablets 2016-12-23

The present study demonstrated that in addition to CYP3A4 and CYP2D6, the metabolism of loratadine is also catalyzed by CYP1A1, CYP2C19, and to a lesser extent by CYP1A2, CYP2B6, CYP2C8, CYP2C9 and CYP3A5. The biotransformation of loratadine was associated with the formation of desloratadine (DL) and further hydroxylation of both Prevacid Dosage Neonates DL and the parent drug (loratadine). Based on the inhibition and correlation studies contribution of CYP2C19 in the formation of the major circulating metabolite DL seems to be minor. Reported clinical results suggest that the steady state mean (%CV) plasma Cmax and AUC(24hr) of loratadine were 4.73 ng/ml (119%) and 24.1 (157%), respectively, after dosing with 10 mg loratadine tablets for 10 days. High inter-subject variability in loratadine steady-state data is probably due to the phenotypical characteristics of CYP2D6, CYP2C19, and CYP3A4. The relative abundance of CYP3A4 in the human liver exceeds that of CYP2C19 and CYP2D6 and therefore the contribution of CYP3A4 in the metabolism of loratadine should be major (approximately 70%).

periactin buy online 2016-07-10

Fluoxetine is an antidepressant that has anti-inflammatory and antihyperalgesic Valtrex Shingles Dosage effects in experimental models of pain and inflammation. The AIM of the present study was to determine the role of 5-HT2 receptors in the mechanism of anti-inflammatory and antihyperalgesic action of fluoxetine after single and repeated administration of the drug.

periactin liquid dose 2017-01-03

Addition of serotonin to mixtures of target cells and natural killer (NK)-enriched human mononuclear cells (MNC) in a 4-hr 51Cr-release assay strongly augmented NK cell cytotoxicity (NKCC) vs K562, Chang, or Molt-4 target cells. The effect was dose dependent at serotonin concentrations of 10(-4) to 10(-7) M, expressed at several effector to target cell ratios, and required the presence of accessory monocytes. A 5-HT1-specific receptor agonist, 8-OH-DPAT, mimicked the enhancing properties of serotonin with similar potency. Equimolar concentrations of the mixed 5-HT1/5-HT2 receptor antagonist cyproheptadine, but not the 5-HT2-specific antagonist ketanserin, completely blocked the serotonin-induced NKCC enhancement. Monocyte/NK cell mixtures incubated with serotonin for 1 hr produced a soluble factor that could enhance the Celexa With Alcohol cytotoxicity of autologous, NK-enriched cells depleted of monocytes, which did not respond to serotonin alone. The factor displayed no IFN or IL 2 activity as judged by the lack of antiviral activity and inability to support the growth of an IL 2-dependent cell line. In the presence of monocytes, serotonin (10(-5) M) was considerably more effective than human IFN-alpha or IFN-gamma at optimal concentrations and was about equally effective as IL 2 at a final concentration of 50 U/ml in a short-term NK assay. The potency and efficacy for serotonin were similar to that earlier reported for histamine in monocyte-containing effector cells. The NKCC-enhancing effect of serotonin was additive to that induced by IFN-alpha, IFN-gamma, or IL 2, but not to histamine. The presented data suggest an earlier unrecognized, serotonin receptor-mediated regulation of human NK cells.

periactin pediatric dosage 2015-10-29

The cell adhesion molecule CD44 plays an important role in progression of autoimmune diseases or cancer. Administration of anti-CD44 monoclonal antibodies (mAbs) have been reported to have anti-inflammatory or anti-cancer activity. However, our evidence shows that intravenous administration of the anti-CD44 IgG2b mAb IM7 induces systemic shock in mice. To examine the character of systemic shock, the cutaneous excess vascular permeability Avodart Usual Dosage was evaluated. Administered mAb markedly increased vascular permeability but its F(ab')(2) fragments did not induce a reaction. The platelet-activating factor (PAF) specific antagonist Y-24180 was effective in preventing IM7-induced extravasation, whereas anti-histaminergic and anti-serotonergic agents were not. Y-24180 also ameliorated hematocrit elevation and hypotension in mice treated with IM7. These results indicate that IM7-induced systemic shock is mediated by PAF. Because IM7 also binds human CD44, anti-CD44 immunotherapy using IM7 may be applied to the clinical treatment of autoimmune diseases or cancer. This study describes potential triggering pathways for shock that must be avoided through modification of the immunotherapy.

periactin generic brand 2015-07-16

Chronic idiopathic urticaria (CIU) is a common and frustrating disorder defined as a regular recurrence of hives for a period of more than 6 weeks, and has a major impact on patients' daily quality Amaryl Dose Timing of life--H1 receptor antagonists are considered to be particularly effective in reducing pruritus, and are recommended as first-line treatment in patients with CIU. However, the efficacy of the treatment is insufficient.

periactin medication uses 2017-09-12

Both antihistamine-decongestant combinations demonstrate an onset-of-action within 60 minutes of administration but under conditions of higher pollen exposure, the acrivastine combination was more effective for total symptoms, rhinitis symptoms, and nasal congestion with an onset-of-action within Vasotec Iv Dosage 45 minutes for rhinitis symptoms and 15 minutes for congestion.

periactin 2 mg 2015-02-21

In normal adult rats anesthetized with urethane, intravenous injections of beta-endorphin (30--150 micrograms kg-1) induced a transient fall of blood pressure followed by a small hypertension and a prolonged hypotension. Prior administration of naloxone completely blocked these effects, whereas naloxone, given 1 hr after beta-endorphin, did not reverse the prolonged depressor phase of the opioid peptide. The effects of beta-endorphin on the arterial blood pressure were greatly reduced in animals pretreated with p-chlorophenylalanine, a specific depletor of serotonin. Moreover, in rats pretreated with potent serotonin antagonists such as cyproheptadine, mianserin, and Avapro 5 Mg metergoline, beta-endorphin did not produce a significant hypotension. Furthermore, the depressor effect of beta-endorphin was potentiated by fluoxetine, a specific serotonin uptake inhibitor. These observations suggest the participation of a serotonergic pathway in the action of beta-endorphin on the arterial blood pressure.

periactin vita syrup 2015-06-15

Fexofenadine HCl and loratadine administered once daily are effective and well tolerated in SAR. In this study, fexofenadine HCl was significantly more effective than loratadine in relieving eye symptoms and nasal congestion. Furthermore, fexofenadine was significantly better than loratadine in improving QoL.

periactin 2mg tablets 2016-02-22

In order to elucidate the interaction between cyproheptadine (CPH) and tipepidine (TP), the disposition of CPH and its metabolites from plasma and the hepatic drug metabolizing enzyme activities in rats dosed singly or repeatedly were investigated. The elimination of CPH and its metabolites, desmethylCPH (DMCPH) and DMCPH-epoxide (DMCPHEPO), from plasma after a single intravenous (i.v.) administration of both CPH and TP was not significantly altered compared with that after CPH alone, although the i.v. administration of DMCPH and TP enhanced the plasma levels of DMCPHEPO. The elimination of TP from plasma was not affected by the coadministration with CPH. The single oral administration of both CPH and TP (50 mg/kg) significantly enhanced the plasma levels of CPH and DMCPH compared with those after CPH alone, consequently resulting in their delayed elimination. However, the coadministration with TP at a low dose (5 mg/kg) hardly affected the plasma decay of CPH and its metabolites. The repeated dosing of them for 7 d obscured the interactive effect. The hepatic drug-metabolizing enzyme activities, cytochrome P-450 and aminopyrine demethylase activity, were greatly increased after the repeated administration of CPH, especially showing much more increased activities after the coadministration with TP. These results suggest that the competition of hepatic oxidative metabolism between CPH or its metabolites and TP based on the depletion of the enzymes might largely be involved in the drug interaction on a single dosing of them and that the repeated dosing of them would dissolve the depletion due to their strongly inductive effect.

periactin online 2016-08-13

Syringomyelia is rare in children aged less than 10 years, and bladder dysfunction is an unlikely first manifestation. This report describes a case of repeated episodes of acute urinary retention in a young girl revealing syringomyelia and Arnold-Chiari malformation.

periactin gel 2015-09-09

The results allow to conclude that although eotaxin plays a significant role in the mechanism of antigen-specific immunotherapy, its serum expression remains a poor marker of SIT efficacy.

generic periactin 4mg 2017-06-03

Trials were identified by searching the Cochrane Cystic Fibrosis and Genetic Disorders Group's Cystic Fibrosis Trials Register, MEDLINE, Embase, CINAHL, handsearching reference lists and contacting local and international experts.Last search of online databases: 01 April 2014.Last search of the Cystic Fibrosis Trials Register: 08 April 2014.

periactin child dose 2017-07-29

Montelukast alone or in combination with loratadine is well tolerated and provides clinical and quality-of-life benefits for patients with seasonal allergic rhinitis.

periactin dosage children 2016-10-28

Ergometrine (EGM), 40 mg/kg ip or 100 microgram ivc, produces strong and long-lasting increase of locomotor activity of the rat, completely prevented by pretreatment with spiperone, 0.4 mg/kg, ip, or pimozide, 4 mg/kg ip. Given at a dose of 100 microgram ivc EGM produced a deep hypothermia, resistant to spiperone pretreatment (0.4 mg/kg ip). EGM decelerates cerebral serotonin (5-HT) turnover in mice and rats as measured by accumulation of 5-hydroxyindoleacetic acid after pretreatment with probenecid, and depresses the accumulation of 5-HT in the rat brain stem after pretreatment with pargyline. EGM potentiates the hind limb flexor of spinal rat. This effect is blocked by cyproheptadine (1 mg/kg ip) and danitracen (3 mg/kg ip). The results indicate that EGM stimulates both dopamine and 5-HT receptors in the central nervous system.