I had my by pass a year ago Feb 12yh it went very well I've now lost 103% of my total weight loss I was so happy then about 3 weeks ago I got pain in my lower back I couldn't eat or go to toilet thinking it was an infection I went to my go who sent me to the hospital after scans and tests they said I had Gaul stones and was constipated gave me pain killers and laxatives which worked after 3 days giving me severe diarrhea now if I Dont use them I get constipated straight away when I do use them everything goes through me like water I can't eat properly I'm in constant pain and exhausted the hospital admit they don't understand my diet and say its because of protein has ne 1 else had ne experience like this oh I've lost nearly a stone in. Just under a week I'm just bones