On 11th May i go thought FESS for my nassal poylps. after surgery doc advice Deltacortril, Cefspan 400 , Airtal 13 May i got gatro problem , to treat gastro doc recomand me to stop streed and put me on Risek ,my gastro is okay, and surgery in recovery process but i still feel some distrubance in my stomch, please advise