Hi welcome to Health care magic forum.
Thanks for choosing H.C.M.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.