R45 drops is indicated for inflammation of the throat (Catarrh in the larynx) due to cold and the resulting loss or change of voice. This is also called voice hoarseness and liable to affect singers, actors, teachers and orators. Can be used as an additional preparation in tuberculosis of the larynx and nervous disorders i.e. hysterical ball (nervous lump in the throat). Contains Argentum Nitricum for treatment fo vocal chords & Aurum maculatum for wound like sensation due to Catarrah in the larynx . Complementary remedy in influenza.