Not withdrawal: Periactin (cyproheptadine hydrochloride) (cyproheptidine) makes you sleepy. Sometimes it makes you hungry but it's not habit-forming or addictive. If you feel more alert, less drowsy, have more energy, and decreased appetite that's just the effects of this classical antihistamine wearing off.
Answered 11/27/2017
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A doctor has provided 1 answer
7 doctors weighed in across 2 answers
A doctor has provided 1 answer
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