Eat food rich in omega-3 fatty acids. For this, eat omega rich fish. For those who do not eat fish, fish oil pills are a good option. This will reduce the inflammation caused by UTI and berries also help in curing kidney infection. The proanthocyanidin found in berries prevents infection-causing germs from coming on the way to the toilet. In case of kidney infection, take probiotics in large quantities. Foods rich in probiotics such as pickles, sauerkraut, curd prove beneficial in fighting infection. These things increase good bacteria in the body. Eat more high-fiber food. For this, you can include bananas, beans, lentils, almonds, oats and whole grains in the diet. High-fiber foods help in removing unwanted bacteria from the body. To get rid of kidney infection, drink as much water as possible. Drinking water will improve kidney health and reduce infection. This will reduce the risk of kidney diseases and also improve kidney function.