<unk> (injection) is an antipsychotic agent that is FDA approved for the treatment of schizophrenia. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include hypotension, constipation, xerostomia, akathisia, dystonia, extrapyramidal disease, somnolence, and blurred vision.
Haloperidol 
Chlorpromazine 
Domperidone
Ketobemidone
Diphenidol
Sertindole
Iprindole
Clozapine