Yes, the gas pain was the worst! I also felt as though I was in a car accident. My entire body was sore, even my neck muscles. That only lasted about 3 days. The gas pain lasted an entire 7 days. I walked a lot and took gas x strips, not much helped during those days. I found that a heating pad on my lower back helped quite a bit. Didn't get rid of it but the pain lessened for a little while. I felt the same way.... I remember telling my husband. " I think I may have made a terrible mistake"! After the 1st 7 days I felt much differently. I was banded on 4/5/12 and have lost 21lbs already. The pain I endured was so worth the results I am seeing thus far! Best of luck to you on your wls journey!