Watch 4 side effects: Isotretinoin decreases the size and activity of the sebaceous glands in the skin, which reduces the amount of sebum that is produced. This stops the glands becoming blocked, and means bacteria are less likely to thrive. It also reduces the inflammation in the skin. Isotretinoin can have serious side effects and its use must be supervised by a dermatologist.
Answered 6/26/2014
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