The above mentioned is the Natural Home Remedies to Treat Your UTI Quickly, and also helps to keep it from coming back. Flush out your system and drink lots of water. Cranberries are also useful in flushing out the bacteria. Eat Vitamin C which destroys bacteria. Eat garlic as it fights bacteria like E. Coli. If you’re still not cured and peeing is painful after 24 hours, then you need antibiotics.