Although effective, Compzazine can cause side effects ranging from sedation and movement disorders to a rare but potentially life-threatening condition known as neuroleptic malignant syndrome (NMS).

Exclude neuroleptic malignant syndrome if fever or other symptoms occur. Diabetes. Monitor for hyperglycemia, hyperlipidemia: do fasting blood glucose and lipids testing initially and during therapy.

Inj site reactions, CNS depression/drowsiness, lowered seizure threshold, cholestatic jaundice, anticholinergic and extrapyramidal effects, neuroleptic malignant syndrome, photosensitivity ...