Some drugs always make the top headlines, so you've probably heard about Addyi by now.

It's also known generically as flibanserin and was approved by the FDA in August 2015 to treat hypoactive sexual desire disorder (HSDD) in premenopausal women. That's just another of way saying it boosts sex drive (also called libido) in women who have not reached menopause. It was the first such drug approved for this use. HSDD is the most common type of female sexual dysfunction, affecting roughly 6 million premenopausal women in the U.S.

But here's a mythbuster: it is not a "female Viagra" or a "pink Viagra", as you may have heard.