Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Iodine is widely recognized for its antimicrobial properties and has a long history of use as a topical antiseptic in the prevention and treatment of bacterial infections. The most common forms used are povidone-iodine and tincture of iodine. Scientific studies have demonstrated that iodine rapidly kills bacteria, viruses, and fungi by penetrating cell walls and disrupting protein and nucleic acid structure. Its mechanism of action involves oxidation and iodination of essential microbial components, leading to cell death.

Clinical evidence supports the use of iodine-based solutions for disinfecting skin prior to surgical procedures, wound cleaning, and management of minor cuts and abrasions. Multiple randomized controlled trials and meta-analyses indicate that povidone-iodine is effective in reducing surgical site infections and is comparable or superior to other antiseptics like chlorhexidine in certain applications. Iodine has also been shown to be effective against a broad spectrum of bacteria, including antibiotic-resistant strains such as MRSA.

While iodine is primarily used topically, it is not typically used systemically due to potential toxicity. Its use is well-established in both clinical guidelines and medical practice, and the scientific evidence supporting its antimicrobial efficacy is robust, justifying a high evidence rating.

More about iodine
More about Infection (bacterial)

Other ingredients used for Infection (bacterial)

Other health conditions supported by iodine

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