Hi My Name Is Roger I'm 50. Yes Old. I

Hi my name is roger I'm 50. Yes old. I am trying to diagnose my problem to find out what doctor to see. I have a problem with blotting really bad, I know that it happens when I drink liquid. I can drink 12 oz of Lipton green tea and I will look like 11 months pregnant. I been fighting this for 2 yes, I have done 3 colonoscopy and I try to tellmy doctor its only when I drink I used to weigh 130 /145 all my years but I been at 200/210 I am tired it hurts a lot what can I do.thanks Roger from sulphur LA