NCLEX-RN Neuroleptic Malignant Syndrome Cheat Sheet (Free Printable)

If you are preparing for the NCLEX-RN, neuroleptic malignant syndrome is a topic worth mastering. It is a life-threatening syndrome triggered most often by dopamine receptor blockade from an antipsychotic agent, and it has been associated with virtually every neuroleptic. This cheat sheet breaks it into three blocks. The Rx section covers the culprits: typical neuroleptics like haloperidol and chlorpromazine, atypical agents like clozapine and olanzapine, other classes including antiemetics, tricyclic antidepressants, and lithium, and the rapid withdrawal of dopaminergic drugs such as levodopa or amantadine. The Dx section gives you the classic tetrad: mental status changes, fever, muscle rigidity, and autonomic instability, with fever plus mental status change as the key differential clue. The Tx section walks through treatment: immediately discontinue the offending agent, provide aggressive supportive care, and know the refractory options, bromocriptine and dantrolene, plus rapid re-institution of the dopaminergic medication when withdrawal caused the syndrome.

The exam tests this because early diagnosis and treatment prevent mortality. Use the sheet actively: recite the tetrad, list the drug classes from memory, then check yourself against the pearls, including the risk of rapidly switching Parkinson medications.

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Retrieved sources covered NMS only - serotonin syndrome and anticholinergic crisis comparison (cyproheptadine, physostigmine) was not present in the sources - follow your facility protocol

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