There is no such thing as “what are the seven contraindications to the use of povidone-iodine”, but those who are allergic to povidone-iodine are prohibited from using it. Povidone-iodine has a broad-spectrum bactericidal effect and can kill bacterial propagules, fungi and some viruses. It is used as a bactericidal disinfectant in medicine, mainly for the disinfection of skin and mucous membranes. However, it should be noted that some people have a special constitution and are allergic to povidone-iodine, and such people should not use povidone-iodine, or else allergic reactions, such as redness, itching, dryness, and rashes, will occur. If after using iodophor, the local skin appears red, swollen, itching, dryness, as well as a rash and other symptoms, it is necessary to consider that it is allergic to iodophor, and you should promptly rinse the local area with water to reduce the local stimulation of iodophor. General people can use povidone-iodine, there is no use of povidone-iodine seven contraindications, but allergic to povidone-iodine is prohibited.