This document discusses antipsychotic drugs, including their definition, classifications, pharmacodynamics, pharmacokinetics, indications, side effects, and the nurse's role in administering them. Antipsychotic drugs, also called neuroleptics or major tranquilizers, are primarily used to treat schizophrenia and other psychotic states. They work by reducing dopamine neurotransmission in the limbic system and mesocortical regions. Antipsychotics are classified as typical or atypical and are used to treat conditions like schizophrenia, mania, and dementia. Common side effects include extrapyramidal symptoms, sedation, and orthostatic hypotension. Nurses monitor for side effects and educate patients on safety when taking these