Heres the situation. I am a guy 6'1 147lb (dr says should be more like 200+) and had a ED for probably 6-7 years. I started out at around 320lb at 17 years old and after trying everything including Richard Simmons

I got a bad case of food poisoning. During this I didn;t eat a whole lot and a lightbulb clicked on....no food = lost weight. Long story short I ate next to nothing and shed my way down to around 180. After two hospitalizations for malnutrition related illness i pseudo-recovered, I us the word pseudo becase there was still alot of foods I wouldnt eat (and still wont out of fear). I was able to maintain a healthy fluctuation between 200-215 for a couple of years but about 6mo ago I relapsed in to my old patterns (again after bad bacterial food poisoning). Maybe it was the lax diet while i couldnt digest, not sure but between Feb 2011 and now Ive gone from 210 to 147 on a steady diet ofsaltine crackers and one powerbar a day with only water to drink (200-300 cal-ish per day). Spent 4 days in hospital for severe vitamin deficiancies again and was given a battery of tests which showed gallstones and chronic gastritis. Recently I started adding in steame rice and vegetables and that top ramen stuff for a total of around 700-800 per day (trying to raise it slowly). OK so heres where I'm at now 2 cup noodles (600 cal) and one powerbar (250 cal) with water and a multivitamin. But Ive developed REALLY severe cramps in the lower gut, gas, belching when i eat, nauseated, kind of a racing heart and hot flashes, and i'ts kind of painful to have a BM and i'm really gassy and my intestines burble alot after. Is this from the cloric raise? I do remember it from before but is there any way to alleviate it? Heating pads pain pills gas X nothing seems to work. I'm fine in the early day but around this time like 12-1am when im winding down for bed is when it gets really bad.