How to distinguish between serotonin toxicity and NMS

Serotonin toxicity (also called serotonin syndrome) is caused by excessive serotonergic activity due to an overdose or combination of serotonergic agents—medications, herbal products, or illicit substances. Neuroleptic malignant syndrome (NMS) is caused by dopamine-blocking medications (usually, antipsychotics) or sudden withdrawal from a dopamine agonist like amantadine or levodopa. Why the confusion? 1. There are many similarities…