I just had a cold (fever early in the morning and late at night, no cough) and took fever-reducing medicine. After 2 days, my stomach was full of gas, indigestion, pain in the upper abdomen and severe pain in both sides. The day before, I had an inflammation of the lower stomach gland, reflux, and it was cured. So the doctor told me what to do with abdominal pain, abdominal pain and both sides