Does tramadol use serotonin?
Sarah Oconnell
Published May 09, 2026
Tramadol functions as an opioid, and a serotonin and norepinephrine reuptake inhibitor. Tramadol is a prodrug, and the efficacy and adverse effects are mediated by cytochrome P450 metabolism. Adverse drug reactions include
serotonin syndrome
Serotonin syndrome (SS) is a group of symptoms that may occur with the use of certain serotonergic medications or drugs. The degree of symptoms can range from mild to severe, including a potentiality of death. Symptoms in mild cases include high blood pressure and a fast heart rate; usually without a fever.
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