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Doctor insights on: How Long Can Melatonin Be Taken Daily And Be Safe

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Dr. Heidi Fowler
663 doctors shared insights

Melatonin (Definition)

Melatonin_is a hormone that helps regulate sleep. Some studies suggest that there is abnormal melatonin production in children with autism and other developmental disorders. Several studies suggest that melatonin may be useful for improving sleep, if ...Read more


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Is melatonin 3mg nightly safe for long term use?

Is melatonin 3mg nightly safe for long term use?

Yes: Conventional wisdom is that this is as natural a sleep aid as possible, and safe for longer term use. ...Read more

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How long can I take my 1mg melatonin tablets? I've been taking them daily for 2 weeks now so far.

How long can I take my 1mg melatonin tablets?  I've been taking them daily for 2 weeks now so far.

Indefinite: You can take melatonin as long as you need or want to. However, if it's not helping, then why take it? Also, 1 mg dose may not be an adequate dose. I usually start people at 3 or even 5 mg to induce sleep and some actually progress to 10 mg at night. ...Read more

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Does anyone know the safe daily dose of melatonin for children?

Does anyone know the safe daily dose of melatonin for children?

One half to two mgs: Melatonin is relatively safe at most doses. It does not appear that the effect of melatonin is dose related so most children should take either one half or one milligram. ...Read more

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Delayed sleep syndrome, 29 female, PhD student, taking melatonin 300mcg at 8PM daily for last 3months, its working but any long term use side effects?

Delayed sleep syndrome, 29 female, PhD student, taking melatonin 300mcg at 8PM daily for last 3months, its working but any long term use side effects?

Side effects: Based on what I read you may have long term side effects. I strongly recommend that you see a Psychologist about this. She/he will decide if this is an emotional type issue or a different issue. The Psychologist will take good care of you! Please keep me posted. ...Read more

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Is Melatonin long Release a safe medicin ? I havent had any allergic reaction, but I am afraid I will ( have anxiety ) How can i overcome this fear?

Melatonin SR: is used by many people for sleep. Do not take more than the suggested dose, which is typically very low. Ask your doc if you can sit in his/her waiting room when you take it in the beginning because of your health anxiety. Please see a mental health professional to learn strategies for coping w/anxiety. See www.relaxationresponse.org for some self-help. Peace and good health. ...Read more

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There's 50mg of vitamin b6 in my daily multivitamin. Is it safe to take a melatonin pill that includes 2mg of vitamin b6 or is that too much b6?

There's 50mg of vitamin b6 in my daily multivitamin. Is it safe to take a melatonin pill that includes 2mg of vitamin b6 or is that too much b6?

B6: I am never sure that multivitamins or single vitamins are better than regular meals but they will not do any harm unless you are being charged too much for it. With spring here and summer coming you probably don't need additional meds. ...Read more

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I have a hard time sleeping, part to anxiety. on antidepressants&anti anxiety meds, and 600mcg of melatonin daily. Is the melatonin safe to use daily?

I have a hard time sleeping, part to anxiety. on antidepressants&anti anxiety meds, and 600mcg of melatonin daily. Is the melatonin safe to use daily?

Felt to be safe: Overall there is limited data to suggest that long term melatonin use is harmful, but remember, ideally you want to address why you have a sleeping issue and optimize your sleep hygiene, instead of having to rely on a medication/supplement to use daily. ...Read more