Is it safe or beneficial to take pyridium (phenazopyridine) for interstitial cystitis of the bladder?

It is safe : It is safe and can be taken if it helps.

Pyridium (phenazopyridine) is safe: But usually not enough on its own. There are other treatments. Seek out a urologist or urogynecologist who is experienced with ic. Please see my blog posting for more info. http://healthhub.brighamandwomens.org/overcoming-the-challenges-of-living-with-interstitial-cystitis.