Pharmacology Central Nervous system 88ea3a9f The most impoant drug in the psychosis is A Thiopentone B Thioridazine C Theophylline D Thiocolchiside High-Yield Explanation Thioridazine is a typical antipsychotic drug.used in schizophrenia,acute psychosis Ref: Katzung 13th ed. Pg 493.