Hillary Clinton isn’t the only one hoping to break a glass ceiling. Eighteen years after the Food and Drug Administration approved the first treatment for male sexual dysfunction, the FDA is poised to do the same soon for a drug sometimes called “Viagra for women.” If only this milestone for gender equality didn’t seem so, well, political.

Flibanserin is a new medicine to treat a lack of sexual desire in premenopausal women. Hypoactive sexual desire disorder may effect as many as one of 10 women, who are eight to 10 times...