I agree with the others... 5mg is very high to start with.
Try breaking in half, and see if you get the same response.
This may be additive to the other medications you take.
Here is a good drug checker...you can plug your drugs in one at a time, with the melatonin and see if there are recorded interactions.
http://www.drugs.com/drug_interactions.html
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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