"Period cramps are totally normal. Just take an ibuprofen."
If you're a woman reading this article, you've definitely heard this before. But today, I'm here to tell you that it isn't the best advice. If you're like most women with period pain, you've probably tried taking an NSAID (a group of medicines that include aspirin, naproxen, ibuprofen, and mefenamic acid). And as the most common treatment for period pain, they can be reasonably effective.