The pain on the left and right sides of the abdomen may be caused by indigestion, urinary stones, lumbar muscle strain, etc., and you should consult a doctor in a timely manner to clarify the cause of the disease. 1. Dyspepsia: peptic ulcer, gastric emptying disorder and other factors leading to epigastric discomfort clinical syndrome, the patient will have a vague pain on both sides of the abdomen, early satiety, and other symptoms, you can use omeprazole, domperidone treatment. 2. Urinary stones: a common urinary system diseases, occurring in the kidney, ureter, bladder stones, patients will have hidden pain on both sides of the abdomen can be relieved after lying down, aggravated after exercise, some patients will also have hematuria, shock wave lithotripsy or surgical treatment can be used. 3. Lumbar muscle strain: aseptic inflammation of the muscle or its attachment points, patients will have left and right side of the waist pain can be relieved after lying down, aggravated by cold, mostly in middle-aged and young people, should pay attention to rest, and carry out local physical therapy. The above drugs and treatments should be carried out under the guidance of a doctor. The symptoms of vague pain on both sides of the abdomen can be relieved after lying down, you should consult a doctor in time.