 [ Symptoms ] what kind of doctor should i see  i have gainedy 50 pounds since march 2012 all in my belly area with no change in my eating or exercise habits my pcp telsl me i need to exercise more however i know my body and i know there is something wrong i know that carrying weight in my mid section is not healthy and no one seems to care much about it i sometimes get pains on each side and my pelvic ultrasouds are fine please give me some direction as to what type of physician i can see to help diagnose this problem thanks [ Disease ] i would say an endocrinologists or a doctor that specializes in internal medicine the cause of rapid weight gain can be from any number of causes so it is hard to tell