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Has anyone experienced diarrhea with Melatonin use?

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Irritable Bowel Syndrome
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Posted 3/8/2023 4:37 AM (GMT 0)
I can’t believe that I may have found the answer to the explosive diarrhea that has kept me at home for more than a month. I began taking a new cholesterol med. because I thought that was the cause of the 6-10 bouts of daily diarrhea that have almost ruined my life. As of tonight, I think that may change: no more Melatonin—I was taking 5-6 mg nightly.
Posted 7/4/2023 11:19 AM (GMT 0)
I take 2 mg of it I do have reflux but lately I’m getting this consistent pain below my rib cage will this be cos of that
Posted 7/4/2023 3:27 PM (GMT 0)
@Karlxxx, no way of knowing what is causing the pain, go see your primary care doctor. It could be trapped gas, but again go see your doctor.

Good luck.
Posted 7/12/2023 8:11 PM (GMT 0)
Just used Google Translate on the last post, here is the result.

"I gave birth to a baby this year. With the lack of sleep, I bought melatonin 10mg which I took every night before bed. I took it for 3 months. I started having severe cramps, nausea, diarrhea. I went to see my doctor, he had me do some blood and stool samples. Everything was normal. I then suspected irritable bowel syndrome, even while doing the recommended diet, I still had diarrhea 10X a day. Until I ask myself the question: What have I changed in my life for 3 months? Taking melatonin. I stopped taking it for 1 week following a fever attack that looked like gastro. My problem is solved. No more cramps, no more diarrhea and nausea. Don't underestimate the side effects of over-the-counter medications."
Posted 4/5/2024 2:17 PM (GMT 0)
Last year in August 2023 I decided to try melatonin as a sleep aid and bought a CVS brand 5mg bottle. The pills also contained 10mg of Vitamin B6 and 80mg of calcium (dicalcium phosphate). I started taking one pill August 8 and it seemed to help. I decided to take one pill every night and was sleeping so much better. However, after about a week I started experiencing problems with gas, bloating, and explosive watery diarrhea. I thought it was some temporary issue from food, etc., but it persisted and I became suspicious that it could be the melatonin. I researched online for any user comments expressing the same problems and found this site and forum. That is when I decided to stop taking the melatonin (Aug. 22), and by Aug. 25 I was pretty much back to normal. I am so glad I came across this forum and read the comments from others who had the same reaction/symptoms. One of my sisters takes 5mg melatonin, sometimes two pills, each night and has had no problems. She uses a Natrol brand that is "fast dissolve" and has no Vitamin B6 or calcium like my brand did. I could try that brand, but have decided to just avoid melatonin all together.
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