HWN Suggests

Unlocking iodine’s true potential

Like many of chemistry’s more colourful characters, iodine was largely discovered by accident. The French chemist Bernard Courtois is credited with its discovery in 1811 while extracting potassium chloride from seaweed ash. Adding sulphuric acid produced a violet-coloured vapour that condensed to form crystals; the name iodine comes from the Greek word ‘ioeides’, meaning violet. In retrospect, iodine’s emerging bacterial effects are not surprising – seaweed has been used for centuries for its medicinal benefits.

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 Iodine: An Elemental Force Against Infection

The burnt-orange color of the surgical scrub made with polyvinylpyrrolidone-iodine, or povidone-iodine (PVP-I) for short, is easily recognized by the average patient as an antimicrobial precaution. But even this common polymer complex harbors some secrets and intriguing chemical properties, all of which can influence its antiseptic potential.

Articles of Interest

Betadine: The Powerful Antiseptic Solution for Wound Care

When it comes to wound care, having a reliable and effective antiseptic solution is essential. One such solution is Betadine, a Povidone Iodine Topical Solution Antiseptic 10% known for its broad-spectrum antimicrobial properties. In this blog post, we will explore the benefits, uses, and proper application of Betadine, providing you with valuable insights for wound care management.

Iodine-containing antiseptic reduces infections in patients with fractured limbs

A randomized clinical trial conducted in US and Canadian hospitals found that a skin antiseptic containing iodine reduced surgical-site infections in patients with fractured limbs by more than 25% compared with an antiseptic containing chlorhexidine gluconate, researchers reported last week in the New England Journal of Medicine. The investigators say the results could prompt changes in the type of antiseptic used in surgery to repair simple fractures. While some guidelines favor chlorhexidine gluconate, previous studies comparing the antiseptics in other surgical populations had provided conflicting results.

Povidone-iodine

Povidone is found in both medical and household items and can cause mild symptoms with large ingestions. Povidone iodine is a common antiseptic used to disinfect the skin, eyes, and vagina. When used correctly, povidone iodine might cause mild side effects, but it can cause major problems when used incorrectly.

Povidone–iodine: use in hand disinfection, skin preparation and antiseptic irrigation

Iodine and its antibacterial properties have been used for the prevention or management of wound infections for over 150 years. However, the use of solutions (tincture) of iodine has been replaced by the widespread use of povidone–iodine, a water‐soluble compound, which is a combination of molecular iodine and polyvinylpyrrolidone. The resultant broad spectrum of antimicrobial activity is well documented and its efficacy, particularly in relation to resistant micro‐organisms such as methicillin‐resistant Staphylococcus aureus, has been shown. In the clinical environment, there is no general agreement regarding the ‘best’ antiseptic and the practice varies widely.

Practical use of povidone‐iodine antiseptic in the maintenance of oral health and in the prevention and treatment of common oropharyngeal infections

Antiseptics, such as PVP‐I, address the challenges in many clinical settings, where infectious conditions must be prevented or treated. By mediating a localised effect and sparing or preventing the use of antibiotics, they provide a viable option in the therapeutic armamentarium against common oropharyngeal infections.