After ceasing to take periactin, (cyproheptadine hydrochloride) my behaviour has changed, could be withdrawal?

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.

Related Questions

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.

For educational purposes, I look up any meds I take. Which cytochrome p450 enzymes metabolize the first-gen antihistamine periactin (cyproheptadine hydrochloride)? Or are effected?

Cyproheptadine. Aromatic ring hydroxylation (followed by glucuronide conjugation), and n-demethylation, end heterocyclic ring oxidation were shown to occur in man. The principal metabolite, however, was identified tentatively as a quaternary ammonium. Glucuronide-like conjugate of cyproheptadine. The exact mechanisms for the glucuronidation are not entirely clear.

Does periactin (cyproheptadine hydrochloride) make you gain weight? Please, need some answers?

Yes, it can. Periactin (cyproheptadine hydrochloride) (cyproheptadine), is mainly used as an antihistamine, particularly for cold-induced urticaria (welts caused by cold objects). It also has effects on the brain, including sedation and increase in appetite, leading to weight gain.

Which are side effects of periactin (cyproheptadine hydrochloride)?

Some common. Many people experience an increase in appetite (leads to weight gain) and some experience drowsiness. This old antihistamine has been replaced by others that tend to be as effective with less side effects.