I have fatigue , chronic urticaria , severe pain in the upper abdomen that extends to the back, sore throat - in the Adam's apple , I have gained weight, and caffeine causes accelerated beats me . What could this be?
A pain in the upper abdominal area that radiates to the back usually pancreatic origin . Need a face consultation with a doctor to find the cause. I advise you to start with a gastroenterologist.