Frequency Not Defined
Confusion,Decreased gag reflex
Extrapyramidal symptoms
Akathisia,Dystonia,Dyskinesia,Muscle stiffness,Neuroleptic malignant syndrome (NMS; infrequent but serious),Parkinsonism,Tardive dyskinesia
Common
Anticholinergic effects,Sedation,Weight gain,Erectile dysfunction,Oligomenorrhea or amenorrhea,
Less common
Orthostatic hypotension (after IM injection), tachycardia,Agitation, anxiety, cerebral edema, depression, dizziness, euphoria, headache, poikilothermia, restlessness, weakness,Anorexia, constipation, dyspepsia, ileus,Lens opacities (with prolonged use)
Uncommon
ECG changes,Photosensitivity,Pruritus,Diarrhea,Blood dyscrasia,Galactorrhea,Ejaculatory disorder
Rare
Seizure,Priapism,Cholestatic jaundice