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A 21-year-old female asked:

A new dermatologist prescribed 30 000iu 2x/day of vitamin a (retinol acetate). i took isotretinoin for several years in the past. is it excessive?

1 doctor answer1 doctor weighed in
Dr. Julie Abbott
Preventive Medicine 47 years experience
This is a lot: The daily recommendation of vitamin A for adult women is 2,300 IU. You are taking OVER 25 TIMES that much! There are concerns regarding toxicity of too much vitamin A including birth defects, liver and central nervous system problems, and interference with bone metabolism. Discuss your concerns with your dermatologist and see if he/she can recommend an alternative.
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Last updated Oct 27, 2014


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