Mercurius Dulcis
Dewey - Essentials of Homoeopathic Materia Medica · Willis Alonzo Dewey · 211 chars
General
What is Mercurius dulcis, and what are its uses ?
Calomel . Its principal use is in Eustachian catarrh, with deafness and tinnitus aurium. Chronic inflammation of middle ear with thickening of membrana tympani.