Prochlorperazine is in a group of drugs called phenothiazines (FEEN-oh-THYE-a-zeens). It works by changing the actions of chemicals in your brain.
Prochlorperazine is used to treat psychotic disorders such as schizophrenia. It is also used to treat anxiety, and to control severe nausea and vomiting.
Side effects include:
Drowsiness, dizziness, amenorrhea, blurred vision, skin reactions, hypotension.