what are the first signs of urinary tract infection?
['A burning feeling when you pee.', 'A frequent or intense urge to pee, even though little comes out when you do.', 'Cloudy, dark, bloody, or strange-smelling pee.', 'Feeling tired or shaky.', 'Fever or chills (a sign that the infection may have reached your kidneys)', 'Pain or pressure in your back or lower abdomen.']