ACTION AND USES: Causes powerful tonic, sometimes tetanic contraction of the uterus and of the bloodvessel walls. Checks postpartum hemorrhage by contracting the uterus. Used for excessive menstrual flow and as a circulatory stimulant. Has also been tried but without success in a great variety of other diseases. DOSAGE: 2 Gm. or 30 grains (U.S.P.). _Extractum Ergotae (Ext. Ergot.), Extract of Ergot, U.S.P._--A pilular extract of ergot. Probably does not contain some of the valuable constituents of ergot (the alkaloids). DOSAGE: 0.25 Gm. or 4 grains (U.S.P.). _Extractum Ergotae Aquosum (Ext. Ergot. Aq.), Aqueous Extract of Ergot, N.F._ (Ergoti Extractum P.I.).--A purified aqueous extract. DOSAGE: 0.2 Gm. or 3 grains (N.F.). _*Fluidextractum Ergotae (Fldext. Ergot.), Fluidextract of Ergot, U.S.P._ (Secalis Cornuti Extractum Fluidum, P.I.).--Ergot (100%). Absolute alcohol content about 40 per cent. DOSAGE: 2 Cc. or 30 minims (U.S.P.). _Tinctura Ergotae Ammoniata (Tr. Ergot. Ammon.), Ammoniated Tincture of Ergot, N.F._--Ergot (25%), ammonia water (10%) in alcohol and water. Absolute alcohol content about 60 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). =Eriodictyon (Eriodict.), Eriodictyon, U.S.P.= (Yerba Santa).--Yerba santa leaves. ACTION AND USES: Said to be expectorant. Its most remarkable property is its power of masking the taste of quinine. DOSAGE: 1 Gm. or 15 grains. _Elixir Eriodictyi Aromaticum (Elix. Eriodict. Arom.), Aromatic Elixir of Eriodictyon, N.F._ (Aromatic Elixir of Yerba Santa, Elixir Corrigens).--Fluidextract of eriodictyon (6%), compound elixir of taraxacum (about 44%) and syrup. Absolute alcohol content about 16 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). _Fluidextractum Eriodictyi (Fldext. Eriodict.), Fluidextract of Eriodictyon, U.S.P._--Eriodictyon (100%). Absolute alcohol content about 70 per cent. DOSAGE: 1 Cc. or 15 minims (U.S.P.). _Syrupus Eriodictyi Aromaticus (Syr. Eriodict. Arom.), Aromatic Syrup of Eriodictyon, N.F._ (Aromatic Syrup of Yerba Santa, Syrupus Corrigens).--Fluidextract of eriodictyon, solution of potassium hydroxide, compound tincture of cardamom, oils of sassafras, lemon and clove, alcohol and syrup. Absolute alcohol content about 8 per cent. DOSAGE: 8 Cc. or 2 fluidrachms (N.F.). =*Eucalyptol (Eucalyptol), Eucalyptol, U.S.P.= (Cineol).--A constituent of the volatile oil of eucalyptus. A colorless liquid with a characteristic odor and a pungent taste, producing a cooling sensation in the mouth. Very slightly soluble in water but miscible with alcohol and chloroform and fixed or volatile oils. ACTION AND USES: Employed as a local stimulant, antiseptic and deodorant, largely as a constituent of inhalations, particularly oily sprays. DOSAGE: 0.3 Cc. or 5 minims (U.S.P.). _Nebula Eucalyptolis (Nebul. Eucalyptol.), Eucalyptol Spray, N.F._--Eucalyptol (5%) in light liquid petrolatum.