Drug Interaction Checker

You should limit Caffeine use while taking Clozapine. This includes limiting caffeine intake in foods (examples coffees, colas, teas, and chocolate) as well as in medicines, herbal supplements, and "stay-awake" products. Side effects from Clozapine may get worse if you take Caffeine. Report any troublesome side effects from Clozapine promptly, such as confusion, dry mouth or drooling, headache, drowsiness, dizziness, feeling faint, falls or palpitations. If you notice any unusual changes in mood or ease of movement, contact your prescriber.

Grapefruit juice and grapefruit-containing foods may increase the side effects of Clarithromycin. There may be no interaction. Do not significantly change your grapefruit intake while taking Clarithromycin.