Antibiotics such as sulfamethoxazole and trimethoprim are commonly prescribed for approximately three days to treat simple infections of the bladder, explains Drugs.com. Individuals with complicated bladder infections may be required to take stronger antibiotics for at least 10 days. When bladder infections invade the kidneys, hospital treatment is often required.
Antibiotics work to eradicate the bacteria responsible for the infection, explains Healthline. Individuals with chronic bladder infections may be prescribed antibiotics to be taken on a daily basis or when symptoms develop. Patients may also be advised to drink water and cranberry juice while recovering from a bladder infection to help eliminate bacteria from the bladder.