I have frequent headaches always tired i wake up several times a night to urinate I have burning in the back of my head ive gain 40lbs in the past year i had a hysterectomy in june and now i have diarhia several times per day i recently had chicken pox i also have a nodule 4cm on my right thyroid which I had a biopsy on it came back fine im not sure wats wrong but I just keep feeling worse and worse