A member asked:

Is it normal for a multivitamin with caffeine and guarana to cause frequent urination?

6 doctors weighed in across 3 answers

Yes: Caffeine is a diuretic, so depending on how much u consume you may get that diuretic effect.

Answered 12/26/2019

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Dr. Alan Ali answered

Specializes in Psychiatry

Caffeine: Yes. Also, guarana has high caffeine content and adds to that.

Answered 12/16/2012

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Yes.: Since guarana is also a source of caffeine the question really is does caffeine cause increased urination. Caffeine is a known diuretic - meaning it leads to increased urine production by the kidneys. On top of that some individuals have bladders that are particularly sensitive to caffeine and its irritative qualities leads to increased contractions of the muscles in the bladder = voiding.

Answered 5/16/2018

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