If you've reached a certain age, chances are you've battled a pimple or two. For many people, a dab of basic blemish cream does the trick, but some folks need more serious acne treatment. Test your knowledge with this tretinoin quiz.
Retin-A is the most common topical application, and Accutane is the pill form.
Nope, tretinoin is derived from retinoic acid, which is the acid form of vitamin A.
Yes, tretinoin is extremely dangerous for pregnant women -- it usually leads to miscarriage, but also to severe birth defects.
Tretinoin in pill form is a definite no-no, but topical products are still slightly risky.
The iPledge program is for women of child-bearing age. Because tretinoin can cause miscarriage and birth defects, women must be extra careful not to get pregnant while taking the drug.
You can get over-the-counter medications that contain tretinoin, but the prescription-strength products are stronger.
You get double the acne-fighting power if you take tetracycline along with tretinoin. The tretinoin keeps your pores from getting plugged with oil, and the antibiotic kills bacteria.
Tretinoin does cause sensitivity to the sun. You shouldn't take it if you're already sunburned, and you shouldn't expose yourself to a lot of sun while you're taking it.
The FDA approved topical tretinoin for this purpose in 1995, so it's totally in the clear.
Sorry -- no product can reverse aging. Staying out of the sun is about the only way to slow things down.