Iodosorb Cadexomer Iodine Gel 1.4 oz Tube QTY: 1 by Smith & Nephew. Save 37 Off!. $69.50. The only wound gel that inhibits bacterial growth as it absorbs exudate. Specially formulated for use on wet, exuding ulcers, diabetic and venous ulcers, pressure sores and infected wounds. As absorption occurs, the cadexomer releases iodine, which reduces the bacterial load without affecting granulating tissue.