Under what circumstances do not use band aids?

in our life, we may bump accidentally, causing body bleeding and so on. At this time, the first reaction of many people is to use band aid. In fact, in some cases, it is better not to use band aid. In which cases, do not use band aid? Here is a brief introduction for you.

First of all, if the metal object is scratched and bleeding, in order to prevent bacterial infection and tetanus, it is recommended to keep the wound exposed. After cleaning and disinfection, go to the hospital to break the tetanus vaccine.

If the scratched object is contaminated or the wound is contaminated with foreign matters, it is recommended not to use band aids, because the wound may have been infected.

If diabetic patients suffer from trauma, it is better not to use band aids. Band aids may cause local skin temperature to rise, which may promote bacterial reproduction.

If it's a burn or blister break, don't use a band aid, it may cause infection.

If it's an animal scratch or bite, you can't use a band aid. Wash the wound immediately with soapy water to avoid the spread of bacteria in the wound.

If it's pimples on the skin or other cases of purulence, don't use band aids, otherwise it will cause bacteria to multiply.