"On a recent post the practice of using Povidone iodine and/or Betadine on an open wound was discussed and eventually debunked by several knowledgable board members."

At the risk of being somewhat blunt - BS!

Povidone Iodine is one of the most widely used antiseptics in the world. "IF" it slowed cell growth x% so what! It kills ring worm, fungus, sprep and every other commonly known topical organism that causes infection.