A member asked:

Does taking biotin vitamin for hair and nails break you out?

2 doctors weighed in across 2 answers

Possible: Taking any medications, supplements or vitamins can cause allergic reaction if you are allergic to them. Also, biotin is often marketed as a product containing other b vitamins such as niacin. Niacin frequently causes facial flushing and feeling of irritation.

Answered 6/30/2014

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No: However, if you have a rash for more than 2 week or you're systemically sick or the rash is obviously dangerous-looking, get seen. And be sure you know what you're really taking -- somebody who'd recommend "biotin for hair and nails" may actually be selling you goodness-knows-what.

Answered 2/20/2012

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