I have awful Acid reflux (i use heartburn Acid reflux and gerd interchable though i belive there are small differences) my crohn's is under control, and it was never clear if it was related to crohn's but since it is inflammation it can be. it is useful that they are both treated by the same doc. there are many med options so if one doesn't work keep trying, and don't stop on your own, it can have a bad blow back if meds are stopped to suddenly.