What other drugs will affect prochlorperazine?
Before taking this medication, tell your doctor if you are taking any of the following medicines: • antacids (take antacids at least 2 hours before or 2 hours after taking a dose of prochlorperazine; otherwise they will decrease the effectiveness of your medication); • alcohol; over-the-counter cough, cold, or allergy medications; sleep aids; antidepressants; muscle relaxants; barbiturates; or seizure medications. (these drugs will increase the side of effects of prochlorperazine, especially drowsiness and dizziness); • blood pressure medications such as propranolol (Inderal), methyldopa (Aldomet), and clonidine (Catapres) (these medicines may cause dizziness and fainting if used with prochlorperazine); • anticoagulants such as warfarin (Coumadin) (these medicines may have decreased effects, which could lead to blood clotting); and • phenytoin (Dilantin) (prochlorperazine may increase the effects of phenytoin and lead to side effects; you may need a lower dose of phenytoin). Drugs othe
