Hernia?

I just had a endoscopy they discovered I had a hiatel hernia... and reflux disease which is irratating my pouch and esophogus... So I'm on meds indefinatly, but I"ve been so nausious that I've been taking Zofran... Has anyone else had this post op? I really thought the heartburn wouldn't be an issue anymore... Aimee 235/135/137