HiI am 33 years old,female,75 kgs,I have been suffering with terrible problems with my stomach for some time.I have a constant  pain in my abdomen and I get a sharp pain at the left shoulder blade as soon as I eat.If I eat anything,I feel really full really fast and bloated.I am also constipated.My lower abdomen aches when there is a any sudden jerky movement .I am not sure what it is.Please help.
Headfirst of all I want to tell you that there is a membrane between thorax (chest) and abdomen. When you eat something (rather I will say overeat then stomach dilate, and it presses the membrane (diaphragm) , hence person feel pain in the shoulder joint on left side because the nerve supply of joint and diaphragm is one and same i.e. Phoenix nerve. Now main question you feel always bloated, fullness, pain on left side and constipated all the time. Try raising the head of your bed about 4 inches with blocks. It also might help to avoid eating or Chat Doctor.  To control stomach acid one should not