<unk> is used as a medication for a number of skin conditions. This includes fungal infections of the foot, impetigo, pemphigus, superficial wounds, dermatitis, and tropical ulcers. For tropical ulcers it is used together with procaine benzylpenicillin. Typically it is used in skin conditions that produce a lot of liquid. It can be applied as a soaked dressing or a bath. Side effects may include irritation of the skin and discoloration of clothing. If it is taken by mouth, toxicity and death may occur.<unk> is an oxidizing agent. The British National Formulary recommends that each 100 mg be dissolved in a liter of water before use.<unk> was first made in the 1600s and came into common medical use at least as early as the 1800s. It is on the World Health Organization's List of Essential Medicines.
Potassium permanganate 
Sodium thiosulfate 
Amylmetacresol
Sodium hydroxide
Sodium hypochlorite
Barium sulfate suspension
Hydrochloric acid
Aluminum chloride hexahydrate