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What Are The Side Effects Of Melatonin?

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Posted on Mon, 19 Oct 2015
Question: Are there any downside to taking Melatonin 3 mg. Mom is 91, and cant sleep much at night. She takes blood pressure meds.
doctor
Answered by Dr. Panagiotis Zografakis (29 minutes later)
Brief Answer:
there are some potential side effects

Detailed Answer:
Hello,

it's effective in some people. It's more effective in people with a sleep cycle disorder (like people traveling from one continent to the other - jet lag). 3mg sounds like a good dose. I would like to know the drugs she's taking to make sure there are no interactions between them and melatonin though.

Potential side effects include: dizziness, drowsiness (particularly for 30-60 minutes after taking the drug), daytime fatigue and/or somnolence), headache, nausea, enuresis (loosing urine at night), depression, etc.

I hope you find my comments helpful!
You can contact me again, if you'd like any clarification or further information.

Kind Regards!
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Panagiotis Zografakis (6 days later)
She takes 100 mg metoprolol...160mg diovan...60 mg if nifedipine....800 mg of multaq (for avfib) controlled
12.5 hctz.... Coq10,vitd3
doctor
Answered by Dr. Panagiotis Zografakis (6 minutes later)
Brief Answer:
no interactions

Detailed Answer:
No serious interaction is expected between melatonin and any of the drugs you've mentioned. Let me comment thought that using multaq with hydrochlorothiazide requires close monitoring of the electrolytes levels (potassium levels in particular).

Kind Regards!
Note: For further follow up on related General & Family Physician Click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
Answered by
Dr.
Dr. Panagiotis Zografakis

Internal Medicine Specialist

Practicing since :1999

Answered : 3818 Questions

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What Are The Side Effects Of Melatonin?

Brief Answer: there are some potential side effects Detailed Answer: Hello, it's effective in some people. It's more effective in people with a sleep cycle disorder (like people traveling from one continent to the other - jet lag). 3mg sounds like a good dose. I would like to know the drugs she's taking to make sure there are no interactions between them and melatonin though. Potential side effects include: dizziness, drowsiness (particularly for 30-60 minutes after taking the drug), daytime fatigue and/or somnolence), headache, nausea, enuresis (loosing urine at night), depression, etc. I hope you find my comments helpful! You can contact me again, if you'd like any clarification or further information. Kind Regards!