⚠️ Mechanism
5-HTP is a serotonin precursor. SSRIs block serotonin reuptake. Combined use dramatically increases synaptic serotonin.
📋 Effect
Serotonin syndrome (agitation, confusion, hyperthermia, seizures, potentially fatal)
💊 Management
Avoid combination. Serotonin syndrome is a medical emergency.
Plain Language Summary
This combination is dangerous. Taking these together can cause an excessive buildup of serotonin in the body, which may lead to a life-threatening condition called serotonin syndrome.
Source
Dunkley EJ et al. Med J Aust 2003; FDA MedWatch
Supporting Research
The impact of 5-hydroxytryptophan supplementation on sleep quality and gut microbiota composition in older adults: A randomized controlled trial
The Efficacy of Different Triptans for the Treatment of Acute Headache in Pediatric Migraine: A Systematic Review
The effect of therapeutic massage combined with conventional therapy in children with functional dyspepsia: a systematic review and meta-analysis
Sleep disorders in children
Investigating genetic links between biological aging and adverse pregnancy outcomes
The effect of increased serotonergic neurotransmission on aggression: a critical meta-analytical review of preclinical studies
Drugs for preventing migraine headaches in children
Animal models of the serotonin syndrome: a systematic review
Medical Disclaimer: This interaction record is for informational and educational purposes only and does not constitute medical advice. Drug-supplement interactions can be dangerous. Always consult your healthcare provider or pharmacist before combining any supplement with prescription medications. Do not stop or change any medication without professional guidance.