What are the dangers of rubbing tincture of iodine directly on a wound

Rubbing tincture of iodine directly on a wound may cause pain, burning sensation, allergy and other symptoms.
Tincture of iodine has a strong disinfecting effect and is generally used for skin infections and disinfection. However, tincture of iodine has a certain degree of corrosiveness, direct action on the wound will cause irritation, triggering pain, burning sensation and other discomfort. Some patients may experience allergic reactions such as local itching and red rash after use, so it is prohibited for those who are allergic to this product.
When the organism has a wound, it should be protected and go to the hospital for treatment, which needs to be cleaned, disinfected, hemostasis, tetanus vaccination and other treatments according to the size and depth of the wound. Avoid other injuries such as infection caused by improper self-treatment.