A companion to the United States pharmacopia; . needles, is insoluble in water, but soluble in alco-hol. Its alcoholic solution is intensely bitter. It is so extremely pow-erful a poison that its discoverer (Schmiedeberg) considers it unfit formedicinal uses in an isolated form. It possesses in a high degree themedicinal properties of the drug. Digitalin, as obtained in colorless needle-shaped crystals (by Nati-velle), is also an exceedingly powerful poison possessing the propertiesof digitalis. It is not an alkaloid. It has an extremely bitter moistened with hydrochloric acid it as
A companion to the United States pharmacopia; . needles, is insoluble in water, but soluble in alco-hol. Its alcoholic solution is intensely bitter. It is so extremely pow-erful a poison that its discoverer (Schmiedeberg) considers it unfit formedicinal uses in an isolated form. It possesses in a high degree themedicinal properties of the drug. Digitalin, as obtained in colorless needle-shaped crystals (by Nati-velle), is also an exceedingly powerful poison possessing the propertiesof digitalis. It is not an alkaloid. It has an extremely bitter moistened with hydrochloric acid it assumes an intense emerald 404 A COMPANION TO THE green color. This digitalin is not at all like the Digitalin whichwas official in the U. S. Pharmacopoeia of 1870 (see below). Another constituent of digitalis is called digitalein. It is chemicallyindifferent. Its medicinal properties have not been investigated. Medicinal Uses.âDigitalis is an excito-motor, stimulating the ac-tion of the heart. By increasing the power of the contraction of the. Figs. 233, 234.âDigitalis, a, second years leaf, natural size ; 6, outlines of first years leaf, natural size. heart, and at the same time prolonging the diastole, digitalis enables onebeat of the heart to be more effectual in propelling the blood than twoor three beats were before, and therefore reduces the number of heart-beats. The use of this drug is therefore indicated when the action ofthe heart is rapid and weak, with insufficient aeration of the blood, asshown by cyanosis. Digitalis also possesses the power to contract thesmall arterioles, and is useful, like ergot, in haemoptysis, monorrhagia, UNITED STATES PHARMACOPCEIA. 405 and other hemorrhages. It is also diuretic, especially in infusion, valu-able in dropsies depending on mechanical impediments, in cardiac dis-eases, and in scarlatinal dropsy. In some nervous diseases digitalis hasbeen given with good effect, as in delirium tremens, acute mania, etc.,and in these diseases l
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishernewyo, bookyear1884
