Knowra Serotonin syndrome Serotonin syndrome Serotonin syndrome is a potentially life-threatening drug reaction caused by excessive serotonergic activity in the central and peripheral nervous systems. It can produce mental-status changes, autonomic instability, and neuromuscular abnormalities.
Serotonin : Serotonin is a neurotransmitter and signaling molecule involved in mood, sleep, digestion, and other functions. Excessive signaling by this neurotransmitter drives the syndrome.
Serotonin syndrome diagnosis : Serotonin syndrome diagnosis is the clinical identification of toxicity from medication history and examination findings. There is no confirmatory laboratory test; diagnosis relies on the clinical pattern.
Neuroleptic malignant syndrome : Neuroleptic malignant syndrome is a potentially fatal reaction associated with dopamine-blocking drugs, marked by rigidity, fever, and altered mental status. It often develops more slowly and features lead-pipe rigidity rather than prominent clonus.
Serotonin syndrome treatment : Serotonin syndrome treatment centers on stopping causative drugs, supportive care, and controlling agitation and muscle activity. Early withdrawal of the offending agents and symptom control can prevent progression.
Serotonin receptors : Serotonin receptors are cell-surface proteins that respond to serotonin and alter cellular activity. Receptor activation, particularly at 5-HT2A receptors, contributes to toxicity.
Hunter Serotonin Toxicity Criteria : The Hunter Serotonin Toxicity Criteria are clinical decision rules for diagnosing serotonin toxicity in patients exposed to serotonergic agents. They use findings such as clonus, agitation, and diaphoresis to guide recognition.
Anticholinergic toxicity : Anticholinergic toxicity is a drug-induced syndrome caused by excessive blockade of acetylcholine at muscarinic receptors. Dry skin, urinary retention, and reduced bowel sounds contrast with serotonin syndrome's sweating and hyperactive reflexes.
Drug interaction : A drug interaction occurs when one substance changes the effects or risks of another substance. Many cases arise when interacting medications amplify serotonergic effects.
5-HT2A receptor : The 5-HT2A receptor is a serotonin receptor that influences neural signaling, perception, and vascular function. Its overstimulation is linked to many severe manifestations of the syndrome.
Serotonergic drugs : Serotonergic drugs increase serotonin signaling through effects on its release, reuptake, metabolism, or receptors. These medicines are the exposures that can combine to produce the syndrome.
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