Hi. Thanks for your query. Noted the history and understood your concerns. Gas and indigestion can be due to many reasons. Widal test for typhoid in the range of 1:40 is negative. Intestinal infection can cause liver problems to raise a little bit of the liver enzymes like SGOT and SGPT which will get reverted back to normal or correct treatment. I would advise you the following in such a situation: Get the stool test done for three consecutive days. Other blood test like thyroid functions. Repeat liver functions. Ultrasonography of the abdomen. A course of an antibiotic, metronidazole and probiotics helps a lot in some cases, you need a valid prescription for such medications from your Family Doctor. Use boiled and cooled water and eat only homemade fresh foods. Take banana, curds and activated charcoal to hsten the recovery.