Question: how long does it take for ibuprofen to stop your period cramps?
Answer: Over-the-counter medication for period cramps These include ibuprofen (Advil, Motrin IB), naproxen (Aleve), and even acetaminophen (Tylenol). You should start taking a pain reliever when you begin feeling symptoms of period cramps and continue taking the medicine for two or three days, or until your symptoms are gone.