neuroleptic

https://doi.org/10.1351/goldbook.11937

Any of a class of psychotropic drugs used to treat psychosis, particularly schizophrenia.

Examples: Neuroleptics include the phenothiazines, thioxanthene, and butyrophenone derivatives and the dihydroindolones.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 888 [Terms] [Paper]