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Doctor insights on: Periactin

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Dr. Jeffrey Wint
37 doctors shared insights

Periactin (Overview)

Periactin is a sedating antihistamine which is a kind of antihistamine type drug (common cold or symptom drug).


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How long to develope tolerance to cyproheptadine periactin (cyproheptadine hydrochloride)?

How long to develope tolerance to cyproheptadine periactin (cyproheptadine hydrochloride)?

Highly variable: It may be a few weeks or months but I have one patient with chronic hives who has been on the same dose for over four years. ...Read more

Dr. Jeffrey Wint
37 doctors shared insights

Periactin (Overview)

Periactin is a sedating antihistamine which is a kind of antihistamine type drug (common cold or symptom drug).


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Would periactin (cyproheptadine hydrochloride) be used in the same capacity as reactin?

Would periactin (cyproheptadine hydrochloride) be used in the same capacity as reactin?

Reactin vs periactin (cyproheptadine hydrochloride): No they are not similar in any way.Reactin is cetrizine sold in canada under name of reactin, it is once a day allergy medicine, it is second genaration allergy med, and is not as sedating as first generation like benadryl, (diphenhydramine) and periactin periactin is a first generation antihistamine, is sedating and has to be taken 3or4 time a day, generic name cycloheptadine. ...Read more

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Does periactin (cyproheptadine hydrochloride) lower blood serotonin levels? How long does it take to work?

Does periactin (cyproheptadine hydrochloride) lower blood serotonin levels? How long does it take to work?

Yes: Periactin (cyproheptadine hydrochloride) (cyproheptadine) can be used to treat serotonin syndrome but it is impossible to determine how long it takes to work considering each patient is different and separate. ...Read more

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I've completely lost my appetite since being on Adderall (dextroamphetamine and racemic amphetamine) 45mg a day. Is it safe to take periactin with it to help increase my appetite?

I've completely lost my appetite since being on Adderall (dextroamphetamine and racemic amphetamine) 45mg a day. Is it safe to take periactin with it to help increase my appetite?

Why are you on Adderall (dextroamphetamine and racemic amphetamine)?: It is never a good idea to follow one drugs complications with taking another drug which will only lead to taking another drug. Who put you on Adderall (dextroamphetamine and racemic amphetamine) and why? You should be discussing any complications you have with the medication with that particular practitioner. Unfortunately, medications like Adderall (dextroamphetamine and racemic amphetamine) are ridiculously overprescribed. Hopefully you have been prescribed by a competent practitioner for the right reasons. ...Read more

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My 3.5 mo old daughter's weight is 10 lb-3rd percentile.Eats very less.Dr started cyproheptadine 0.8 ml, is on Pepcid (famotidine) too 0.6 ml twice.Any side effect?

My 3.5 mo old daughter's weight is 10 lb-3rd percentile.Eats very less.Dr started cyproheptadine 0.8 ml, is on Pepcid (famotidine) too 0.6 ml twice.Any side effect?

Yes-many: There are side effects to both these drugs--too long to list here. Read the pamphlet or discuss with your pharmacist when you pick up the medications. More importantly it is perfectly fine if a child is at the 3rd percentile as long as they are gaining in ht, wt, and head circumference appropriately. If she is losing weight, that is a serious issue. Check with your pediatrician frequently. ...Read more

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And I just wanna know side effects of periactin (cyproheptadine hydrochloride) and ibuprofen?

And I just wanna know  side effects of periactin (cyproheptadine hydrochloride) and ibuprofen?

Side effects: Ibuprofen side effects:don't take with ulcers and stomach bleeding. Avoid if patient has Aspirin hypersensitivity or liver/kidney insufficiency. Use caution if patient has heart disease, dehydration, or is on anticoagulants. Gi upset (stomach pain), rashes, eye problems, anemia, and low white blood cell count are side effects. Don't use with alcohol or corticosteroids = increased risk of GI bleed. ...Read more

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Can periactin (cyproheptadine hydrochloride) make you gain weghit!?

Can periactin (cyproheptadine hydrochloride) make you gain weghit!?

Absolutely yes: Periactin (cyproheptadine hydrochloride) (cyproheptadine) is a very effective anti-histamine. It is quite sedating and increased appetite is and associated weight gain are well-known side effects. ...Read more

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How can I use periactin (cyproheptadine hydrochloride) to gain weight?

How can I use periactin (cyproheptadine hydrochloride) to gain weight?

Discuss w your DR.: Per Drugs.Com (regarding use of periactin): 'In healthy, thin individuals, weight gain of 4 kg in 56 days has been reported with a dosage of 12 mg orally per day.' ...Read more

Dr. Warren Foster
34 doctors shared insights

Cyproheptadine Hydrochloride (Definition)

Cyproheptadine hydrochloride is a sedating antihistamine which is a kind of antihistamine type drug (common ...Read more