For the various elixirs, see under the names of the principal constituents. For Elixir Aromaticum, Elixir Aromaticum Rubrum and Elixir Glycyrrhizae (Elixir Adjuvans), see under =Alcohol=; for Elixir Catharticum Compositum, see under =Frangula=; for Elixir Cinchonae Alkaloidorum and Elixir Cinchonae Alkaloidorum et Hypophosphitum, see under =Quininae Sulphas=; for Elixir Cinchonae Alkaloidorum et Ferri, see under =Ferri Phosphas=; for Elixir Cinchonae Alkaloidorum, Ferri, Bismuthi et Strychninae and Elixir Cinchonae Alkaloidorum, Ferri et Strychninae, see under =Strychninae Sulphas=; for Elixir Cinchonae Alkaloidorum, Ferri et Bismuthi, see under =Bismuthi et Sodii Tartras=; for Elixir Cinchonae Alkaloidorum, Ferri et Calcii Lactophosphatis, see under =Calcii Lactophosphas=; for Elixir Cinchonae Alkaloidorum, Ferri et Pepsini, see under =Pepsinum=; for Elixir Ferri, Quininae et Strychninae, and Elixir Gentianae et Ferri, see under =Ferri Citro-Chloridum=; for Elixir Formatum and Elixir Formatum Compositum, see under =Acidum Formicum=; for Elixir Gentianae et Ferri Phosphatis, see under =Ferri Phosphas=; for Elixir Glycerophosphatum Compositum, see under =Sodii Glycerophosphas=; for Elixir Hypophosphitum, see under =Calcii Hypophosphis=; for Elixir Hypophosphitum et Ferri, see under =Ferri Hypophosphis=; for Elixir Pepsini, Bismuthi et Strychninae, see under =Strychnina=; for Elixir Terpini Hydratis et Codeinae, see under =Codeina=; for Elixir Terpini Hydratis et Diacetylmorphinae, see under =Diacetylmorphinae Hydrochloridum=; for Elixir Trium Bromidorum, see under =Ammonii Bromidum=. =*Emetinae Hydrochloridum (Emet. Hydrochl.), Emetine Hydrochloride, U.S.P.=--The hydrochloride of the alkaloid emetine, obtained from ipecac. White, or nearly white, odorless powder, darkening on exposure to light. Freely soluble in water or alcohol. ACTION AND USES: Given hypodermically. An effective treatment of amebic dysentery and other amebic diseases. DOSAGE: 0.03 Gm. or 1/2 grain. =EMPLASTRA, PLASTERS.=--Plasters are solid preparations for external use, serving either as simple adhesives or for the conveyance of drugs. The commercial spread plasters have largely displaced the extemporaneously prepared product. For the various plasters see under the names of the principal constituents. For Emplastrum Elasticum, see under =Resina=; for Emplastrum Fuscum Camphoratum, see under =Camphora=; for Emplastrum Plumbi, see under =Plumbi Oxidum=. =EMULSA, EMULSIONES, EMULSIONS.=--Emulsions are aqueous preparations in which oils or resins are suspended by means of mucilaginous substances. For the official emulsions see under the names of the respective oils and resins. =*Ergota (Ergot.), Ergot, U.S.P.= (Secale Cornutum, P.I., Ergot of Rye, Spurred Rye).--