<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have had the same problem except I haven t eaten fish as it disgusts me and I haven t had nuts for a long time now. The problem I m having is, although the bowel problems have subsided I now have and also had during the bowel problems is that I have a nagging pain in my right side under my ribs where the liver, and pancreas is. Can you tell me should I be alarmed?  <response>: Hi. Thanks for your query Yes, you should be alarmed as you have pain in the right upper abdomen. This needs to be checked:-By physical examination by a Doctor, preferably a Surgeon.-Ultrasonography of the abdomen to start with.-Blood tests of amylase, lipase, liver function tests. -Urine: for bile salts and pigments. -Upper GI Endoscopy to rule out gastritis and ulcers. This will give you the correct diagnosis and a plan for a proper treatment. 