What are the side effects of perphenazine?

Many Dangerous. Perphenazine is used to treat the symptoms of schizophrenia and is also used to control severe nausea and vomiting in adults. Dangerous side effects include neuroleptic malignant syndrome with muscle stiffness and high fevers, also seizures, abnormal heartbeat, inflammation of the liver, difficulty breathing, severe muscle spasms, and uncontrolled movements of face, mouth or jaw.
Many Side Effects. Perphenazine is used to treat the symptoms of schizophrenia and is also used to control severe nausea and vomiting in adults. Common side effects include drowsiness, dry mouth, headache, blank facial expression, shuffling walk, unusual uncontrolled movements of any part of the body, change in skin color, breast enlargement, lactation, restlessness, impaired sleep, and missed menstrual periods.