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Betadine vs. iodine

betadine vs. iodine: What's the difference?

Betadine is a type of iodine. Iodine is a halogen element used in medicine as an antiseptic. Betadine is a brand name for povidone-iodine, a combination of iodine and polyvinylpyrrolidone, that’s also used as an antiseptic.

Betadine

[ bey-tuh-dahyn or, especially British, bee- ]
  1. a brand name for povidone-iodine.

iodine

[ ahy-uh-dahyn, -din; in Chemistry also ahy-uh-deen ]
noun
  1. a nonmetallic halogen element occurring at ordinary temperatures as a grayish-black crystalline solid that sublimes to a dense violet vapor when heated: used in medicine as an antiseptic. Symbol: I; atomic weight: 126.904; atomic number: 53; specific gravity: (solid) 4.93 at 20°C.