this post was submitted on 07 Jun 2025
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As far as I understand it, you shouldn't put peroxide on most, or maybe even any, wounds. It indiscriminately kills good and bad bacteria as well as your body's cells. So it can make the wound take much longer to heal.
Similar, but I think different, with iodine. You shouldn't use it in most cases.
The recommendation is to use warm soapy water to rinse/clean the wound really good. That's all.
If the wound is deep enough or gnarly enough that this doesn't seem reasonable? Well, peroxide wasn't gonna help you anyway, go to the doctor.
I'm happy to be wrong here, to be corrected. But this is how I understand it.
Also I do keep peroxide in my cupboard, as well as rubbing alcohol. Their uses just aren't for wounds.