‘We all probably have a sense-memory of iodine: the blood-like drop to purify a camping can of stream-water or the inky dab with which your grandmother stained your grazed knee. It feels like an old-fashioned, primitive home remedy, yet could it also be an intriguing new weapon against our most modern threat: coronavirus?
‘One of the world’s leading authorities on infection in the mouth and nose believes the answer is yes. Stephen Challacombe is a professor of oral medicine at King’s College London, with a specialism in the immunology of the mucous membranes. His decades of experience meant that when the pandemic hit, his mind went immediately to one — literal — solution. Iodine mouthwash. “Yes. I have no doubt that this should be used,” Challacombe says, “and had it been, it would have saved lives.”
‘Bottles of this form of iodine, called povidone-iodine, also known by the most common brand Betadine, used to be on sale in British chemists, before the public began to favour fluoride rinses. It is still popular as a sore-throat gargle in many European countries, America, Australia and Far East countries such as Japan. When the pandemic struck, Challacombe and his colleagues wrote to the British Dental Journal reminding the scientific world of its potential.’
Read here (King's College Journal, Nov 9, 2020)
