Trifluoperazine is a typical antipsychotic. It works by blocking the action of dopamine, a chemical messenger in the brain that affects thoughts and mood.
Orthostatic hypotension (sudden lowering of blood pressure on standing), Sleepiness, Dryness in mouth, Abnormality of voluntary movements, Parkinsonism, Weight gain, Akathisia, Dystonia, Constipation
Trifluoperazine is used in the treatment of schizophrenia.