The most common side effect is akathisia.<unk>  has prominent sedative and anticholinergic/sympatholytic effects (dry mouth, hypotension, sinus tachycardia, night sweats) and may cause weight gain. These side effects normally preclude prescribing the drug in doses needed for full remission of schizophrenia, so it has to be combined with a more potent antipsychotic. In any case, blood pressure and EKG should be monitored regularly. A rare but life-threatening side effect is neuroleptic malignant syndrome (NMS). The symptoms of NMS include muscle stiffness, convulsions and fever.
Levomepromazine
Acetomepregenol
Bethanechol
Dextropropoxyphene
Triflupromazine
Dexmedetomidine
Avacopan
Metaxalone