Reduce your risk of kidney infection by taking steps to prevent urinary tract infections. Women in particular may lower the risk of urinary tract infections if they: Drink fluids, especially water. Fluids can help remove bacteria from the body when you urinate. Urinate as soon as you need to. Don't delay urinating when you feel the urge. Empty the bladder after sexual intercourse. Urinating as soon as possible after sex helps clear bacteria from the urethra. This lowers the risk of infection. Wipe carefully. Wipe from front to back after urinating and after a bowel movement. This helps prevent bacteria from spreading to the urethra. Avoid using products in the genital area. Deodorant sprays in the genital area or douches can be irritating.