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What
are the side effects of tretinoin
Tretinoin is a retinoid, that is a vitamin A derivative. As such,
it can have very potent effects when used in a highly concentrated
form. Oral use is the most powerful method of application and people
on oral tretinoin are carefully monitored. High dose oral vitamin
A is toxic! Oral use is only a last resort in the treatment of severe,
scarring acne. Potential side effects include affecting skin pigmentation,
skin peeling, and increasing susceptibility to sunburn. It is often
used in conjunction with a sunscreen to protect from UV rays and
it is only applied at night. Topical tretinoin use has similar but
more limited side effects involving hypersensitivity and photosensitivity.
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