a/an drug is administered to treat symptoms of severe disorders of thinking and mood that are associated with neurological and psychiatric illnesses such as schizophrenia, mania, and delusional disorders.
Antipsychotics are a class of drugs used commonly to treat psychotic disorders -- conditions in which thinking can be irrational, and people have false beliefs (delusions) or perceptions (hallucinations) -- and sometimes to treat mood disorders such as bipolar disorder or major depression.
