There is no mainstream cure or help for interstitial cystitis,but I have read that colloidal silver does reduce the pain and in most cases, eliminates the pain. If you want to try it, it is to be used orally and I would recommend Sovereign Silver. The dose I read about was two teaspoons full a day, but more can be used if necessary. This brand is expensive, but excellent for oral use because of it's small silver particle size, which is easily eliminated from the body. Don't use any that is black in color for oral use.