Antiseptic. In contact with organic substances, it releases atomic oxygen. The oxide formed during the reduction of the drug forms complex compounds with proteins - albuminates (due to this, potassium permanganate in low concentrations has an astringent, and in concentrated solutions it has an irritating, cauterizing and tanning effect). It also has a deodorant effect. Effective in the treatment of burns and ulcers. The ability of potassium permanganate to neutralize some poisons underlies the use of its solutions for gastric lavage in case of poisoning with an unknown poison and food toxicoinfections. When ingested, it is absorbed, exerting an effect (leads to the development of methemoglobinemia).