Can Elmiron or Pentosan Polysulfate Sodium (PPS) Cause Blindness? A recent Science Daily article reports that there are about one million patients in the United States who suffer from Interstitial Cystitis. Interstitial Cystitis is a chronic medical condition that caused an increase in bladder pressure resulting in pelvic pain … [Read more...] about Elmiron Blindness Lawsuits