Prochlorperazine is an anti-psychotic medication 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.
Prochlorperazine may also be used for other purposes not listed in this medication guide.