What could cause some pain in the head and then a burp? its gone after the burp and fairly quick. no blood pressure issues

GI DISORDER?: Some gastrointestinal disorders are reported to be associated with primary headaches include dyspepsia, gastro esophageal reflux disease (GERD), constipation, functional abdominal pain, inflammatory bowel syndrome (IBS), inflammatory bowel disorders (IBD), celiac disease, and helicobacter pylori (H. Pylori) infection. Go to your health care provider so she can make a correct diagnosis.