If the bladder is infected, it is called cystitis. If the kidneys are infected, it is called pyelonephritis. It is important to treat UTIs so that the kidneys are not damaged. Cause Urinary tract infections are caused by bacteria. The bacteria enter the bladder by traveling up the urethra.
Common irritants are bubble bath and shampoos.
Sexual intercourse or careless wiping after a bowel movement might also cause irritation. Expected Course With treatment, your fever should be gone and symptoms should be better by 48 hours after starting the antibiotic. Read the advice on preventing UTIs to decrease your risk. You need the antibiotic prescribed by your physician. Try not to forget any of the doses.