Can povidone-iodine be used on all wounds?
Generally speaking, povidone-iodine is not suitable for all types of wounds. If in doubt, it is recommended to seek timely medical advice and treatment. Detailed explanations are as follows:

Although povidone-iodine is a commonly used disinfectant with broad-spectrum antimicrobial properties effective against most bacteria, viruses, fungi, and other pathogens, and has relatively low irritation, it is suitable for most minor wounds such as cuts, abrasions, puncture wounds, and incisions. However, it may not be appropriate for certain special wounds. For example, wounds on individuals allergic to povidone-iodine should not use this disinfectant, as it may trigger allergic reactions including redness, itching, rash, or even blisters, thereby worsening local wound discomfort. Additionally, for severe or special wounds such as extensive burns, deep wounds, wounds with heavy bleeding or foreign body residue, and wounds located in special areas like the eyes or mouth, using povidone-iodine may not be suitable. These wounds require more specialized treatments such as debridement, suturing, or specific drug therapies.
When using povidone-iodine, follow medical instructions or product guidelines and apply an appropriate amount to the wound. Overuse may cause skin irritation or affect wound healing.