I am posting this for my sister. She gets headaches. She was taking 500mg of Naproxen 2x a day. She was taking it for about a year and a half. Her doctor is weaning her off of it. Now she is getting bad headaches/migraines. Could this be from weaning off the Naproxen? Her doctor gave her Metoprolol Tartrate for prevention. But, it hasn't started working yet.