<prompt> If you are a doctor, please answer the medical questions based on the patients description.My head hurts, and my body feels very weak as if it is a viris or something and stomach hurts right at the bottem under my bellybutton area. i dont know if its stomach flu or something but its very weird and im also wearing a sweater because im cold but its not cold here and i have a bad taste in my mouth too as if i was sick.  <response>: Hi welcome to Chat Doctor forum. Thanks for choosing Chat Doctor. Forum. You had body pains, weakness, stomach pain under the bellybutton, bad taste, and I am getting rigors, All these are collectively called fever, and pain under the belly button is due to urinary tract infection, totally it is a fever due to urinary tract infection. I advise you to consult a physician for diagnosis and treatment. You may have to undergo blood work and urine examination for confirmation. Wishing for a quick and complete recovery. Best regards. 