A bout of stomach pain and headache are commonly caused by the following reasons: biliary tract diseases, urinary tract infections, and intestinal diseases. 1. Biliary tract diseases: for example, acute cholecystitis, acute cholangitis, etc., the right upper abdomen may appear a burst of colic, often accompanied by fever, once the fever, may lead to generalized pain, including headache. 2. Urinary tract infections: Urinary tract infections can present with a bout of pain in the stomach, and the infection can also lead to fever and headache. 3. Intestinal diseases: If a disease such as an intestinal infection occurs, there will be bouts of pain in the abdomen, and head pain when a fever develops. Tummy pain headache, it is likely to be other reasons, the patient needs to go to the hospital, you can improve the abdominal CT and other tests, usually can be a clear diagnosis, and then you can carry out the appropriate treatment.