Deafness

Merck's 1899 Manual of The Materia Medica · 1899 · p. 3

Ammonium Chloride. Cantharides: as ointment behind the ear. Colchicum: in gouty persons. Gargles: in throat-deafne . Gelseminine. Glycerin: locally. Morphine. Quinine: in Menière's disease. Tannin: in throat deafne . Turpentine Oil.