They suspect that Allegra, Claritin, and other newer drugs are less likely to cause weight gain than Periactin (cyproheptadine) and other first-generation drugs. The cause of the weight gain among ...

The antiserotonergic antidotes are cyproheptadine, buspirone, nefazodone, and mianserin. Medications enhancing dopaminergic tone include amantadine, bupropion, and stimulants, with yohimbine ...