Some SSRIs (especially fluvoxamine) inhibit CYP1A2, which metabolizes melatonin. This can increase melatonin blood levels, causing excessive sedation.
Recommendation
Use lower melatonin doses (0.3-0.5mg) with SSRIs. Monitor for oversedation.
Timing
Start with lower melatonin doses
Sources
— Clinical Pharmacology & Therapeutics
— PMID: 11502890
Frequently Asked Questions
Can I take melatonin and ssri together?
Melatonin may enhance SSRI side effects. Use lower melatonin doses (0.3-0.5mg) with SSRIs. Monitor for oversedation.
How should I time melatonin and ssri?
Start with lower melatonin doses
Is this interaction dangerous?
This interaction is rated “Caution” by Formulate. Some SSRIs (especially fluvoxamine) inhibit CYP1A2, which metabolizes melatonin. This can increase melatonin blood levels, causing excessive sedation.
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