A member asked:

Blood red, painful, burning, skin.blurry eye sight, vomiting, extreme head ache.are these severe symptoms of a reaction from niacin?how long will it last?

5 doctors weighed in across 2 answers
Dr. Marsha Davis answered

Specializes in Internal Medicine

You sound ill. If it just started all of a sudden go to urgent care or er, and i rarely give that advice!

Answered Mar 24, 2014

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Dr. Joseph Moore answered

Specializes in Internal Medicine - Cardiology

Niacin commonly causes flushing (hot feeling, red skin, tingling) and headaches after taking, particularly doses greater than 1000 mg. The best thing to do is stop taking it for a couple days to see if the symptoms go away. Hope this helps.

Answered Mar 23, 2015

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