Some people also find that spermicides irritate the urethra and promote UTIs. Don't contaminate your urinary tract with bacteria from your anus - wipe from front to back. Avoid tight fitting clothes that rub or put pressure on the genital area. Avoid trauma to the genitals when doing activities like horseback riding or cycling. Avoid bubble baths.
Some people find that drinking unsweetened cranberry juice helps prevent UTIs.
A glass or two each day should do the trick. A generally healthy diet will help your body fight off infection. Pay special attention to sugar - too much in your diet could make you more susceptible to UTIs. Get plenty of vitamin C to help keep your immune system healthy. Change pads frequently when you're having your period.