Drug Interaction - CanITakeThis.com

Can I Take melatonin with diphenhydramine?

STATUS: CAUTION

SUMMARY:

Using melatonin together with diphenhydramine may increase central nervous system side effects such as dizziness, drowsiness, confusion, and difficulty concentrating.

ADDITIONAL NOTES:

The combination can enhance CNS depression, leading to greater drowsiness and impaired coordination. Common precautions include avoiding driving or operating machinery until you know how they affect you, and limiting alcohol or other sedatives. Consider medical advice if you are elderly, have glaucoma or urinary retention, or are taking other sedating medications.

MEDICAL DISCLAIMER

The information provided on this page is for general educational and informational purposes only. It is not intended as, and should not be considered, medical advice, diagnosis, or treatment.

This information has not been evaluated by the Food and Drug Administration. It is not intended to diagnose, treat, cure, or prevent any disease.

Always consult with a qualified healthcare provider before taking any medication or supplement, especially if you are pregnant, nursing, have a medical condition, or are taking other medications.

IMPORTANT LIMITATIONS:

  • This tool does not list all possible drug interactions
  • The absence of a listed interaction does not mean the combination is safe
  • Information may not be current, complete, or accurate for your specific situation
  • Individual factors (age, weight, health conditions, genetics) affect interactions
  • Always verify with your pharmacist or healthcare provider

In case of emergency, call 911 or your local emergency services immediately.

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CanITakeThis.com - General educational information only. Not medical advice.