Potassium iodide is useful in the treatment of -
Sporotrichosis is a fungal infection that is caused by Sporothrix schenckii . Drug of choice for lymphocutaneous sporotrichosis is potassium iodide saturated solution Iadvl textbook of dermatology page 306
sporotrichosis
Impetigo
Viral was
Dermatitis herpetiformis
Fungal infections, Scabies, Pediculosis