povidone-iodine + alcohol

Povidone-iodine + alcohol is a topical antiseptic combination used primarily for skin disinfection prior to invasive procedures such as catheter insertion and surgery. This formulation combines the broad-spectrum antimicrobial activity of povidone-iodine (an iodophor that slowly releases free iodine) with the rapid bactericidal action of an alcohol base (typically ethanol or isopropanol). The combination enhances both immediate and sustained antiseptic effects. Povidone-iodine acts by releasing free iodine, which denatures proteins and disrupts microbial cell walls, leading to cell death. Alcohol rapidly denatures proteins and disrupts membranes. Clinical studies have shown that alcoholic povidone-iodine solutions are more effective than aqueous formulations at reducing catheter colonization and related infections[5]. The product is widely used for preoperative skin preparation, hand disinfection by healthcare workers, venipuncture site cleansing, and other medical applications where rapid and persistent antimicrobial action is required[1][5].

Brand names

Betadine Alcoholic Solution

Other names

alcoholic povidone-iodinepovidone-iodine in ethanolpovidone-iodine in isopropanolPVP-I alcohol solution