Stomach ache since few days. sometimes burning and the ache occurs once left side once right side once upper n once lower. no other complications?

From the intestine?: Since you are feeling different places in the abdomen maybe coming for intestine. It could be something like gas but also could be some type of irritation of the intestine. We need to discuss with your physician and consider seeing a gastroenterologist

Intestinal disorder?: It sounds like the pain is originating in your intestines which are located throughout your abdomen. It can be due to inflammation among several other possiblities. You need to see a physician if the pain persists