Mixing Diphenhydramine (Benadryl) and Melatonin
Low risk, increased effect
Additive sedation. Both are used as sleep aids, and stacking them mostly adds next-day grogginess rather than benefit.
Can you mix Diphenhydramine (Benadryl) and Melatonin?
MixSafe rates mixing Diphenhydramine and Melatonin as "Low risk, increased effect" — low risk of harm, but the effects amplify each other. Doses that are fine alone can be far too much together. Source: MixSafe research. Educational information, not medical advice.
- Diphenhydramine also called
- benadryl, dph, sleep aid, zzzquil, unisom, doxylamine
- Melatonin also called
- sleep hormone, circadin
- Melatonin Interactions Checker. Drugs.com. https://www.drugs.com/drug-interactions/melatonin.html
- Melatonin + Xanax: Can You Take Them Together? https://www.drugs.com/drug-interactions/melatonin-with-xanax-1548-0-133-54.html
- Melatonin and SSRIs. https://ubiehealth.com/doctors-note/melatonin-ssris-drug-interaction-safety-caution-5851q1
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Checking more than two?
Combinations of three or more carry risks that no pair-by-pair chart can show. The checker rates every pair at once and flags the whole-mix ones on top.
Open this in the checkerRelated combinations
Rated low / synergy. Educational information only, not medical advice. Absence of a documented interaction is not evidence of safety.