I wouldn't really worry too much about the chamois - the bacteria are there all the time, it's imbalances and vulnerabilities in your immune system and the particular tissues that allow an infection to develop - but the best way to sanitize a chamois is to dry your shorts outdoors in the sun.
ETA: to echo what Indysteel and Alpinerabbit said, are you getting tested each time you have symptoms of a UTI? If all you have is frequent urination (and I DO know how awful that can be all by itself), perhaps you're drinking too much water without replacing electrolytes? taking another medication that causes spastic bladder? simply responding to stress?
Have you been evaluated for interstitial cystitis?
Last edited by OakLeaf; 04-29-2009 at 06:25 AM.
Speed comes from what you put behind you. - Judi Ketteler