Thomson's Conspectus of the British pharmacopoeias.

  • Anthony Todd Thomson
Date:
1852
Catalogue details

Licence: Public Domain Mark

Credit: Thomson's Conspectus of the British pharmacopoeias. Source: Wellcome Collection.

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    greenish, internally greyish ; fresh fracture reddish ; water dissolves about one-tenth, alcohol 95 parts in 100 ; soluble also in liquor po- tassae 15 parts ; in liquor ammoniae 38 parts. The powder is whitish, but changes to green in the air. Oper, Stimulant, diaphoretic ; in large doses purgative. Use. In chronic rheumatism, gout, cutaneous diseases, and the sequela of lues venerea. Dose. To produce its first effects gr. v. to 9j. in pills, or in emulsion made with mucilage or yolk of egg ; to purge, gr. xv. to 3j. in the •same form. Incomp. The mineral acids. Off. Prep. Decoct. Guaiaci, E. Decoct. Sarsap. Comp. L. E. D. Mist. Guaiaci, L. E. Tinct. Guaiaci, E. D. T. Guaiaci Comp. L. E D. Pulvis Aloes Comp. L. Pilula Hydrargyri Cliloridi Composita, L. Pilula Calomelanos Composita, D. It is often adulterated with manchineel gum ; to discover which, add to the alcoholic solution a few drops of sweet spirit of nitre, and dilute with water j the guaiacum is precipitated blue, while the adulter- ation floats. HiEMATOXtLUM. L. E. Hsematoxylum Campechianum, D. Log Wood. (Hcematoxylon Campechianum. Decand. Monogyn. N. O. Leguminosce. (Fabacece, Lindley.) America. T?.) Prop. Almost inodorous ; taste sweetish, sub-astriiigent; colour deep red ; firm, heavy. Its virtues extracted both by water and alcohol ; (colouring principle hematine). Oper. Astringent, tonic. Use. In the protracted stage of diarrhoea and dysentery, under the form of decoction. R of the shavings 3j., water Oij. Boil to 0j., and strain. Dose. fij. to f^ij., every three or four hours. Incomp. The mineral acids, acetic acid, solutions of alum, sulphate of iron and of copper, acetate of lead, antimonii potassio-tartras, opium, decoction of cinchona flava. Off. Pret). Ext. Hcematoxyli, L. E. Decoctum Hcematoxyli, L. E. D. HEBRADENDRON GAMBOGIOIDES. D. See Cambogia. HELLEBORUS. L. E. Black Hellebore Root. (Helleborus Niger and Officinalis. Polyandria. Polygynia. N. O. Ranunculacece. Austria. T?.) Prop. Odour disagreeable ; taste bitter, acrid, benumbing the mouth ; impaired by drying and keeping. Oper. Cathartic, hydragogue, emmenagogue, anthelmintic. Use. In mania and melancholia, dropsy, and in suppression of the menses in plethoric habits ; but it may be questioned whether it is equal to jalap, &c. It is seldom got genuine. Dose. Gr. x. to 9j. purge strongly ; to produce its other effects, gr. ij. to gr. iij. three times a day. Seldom used in substance. Off Prep. Tinct. Helleb. L. HEMIDESMUS INDICUS. D. Root of the Hemidesmus Indicus, or Smilax Aspera. Indian Sarsaparilla. N. O. Asclepiadacece. Prop. Agreeable odour, sweet taste, imparting both to boiling water : it contains a volatile crystallizable acid, smilasperic (hemidis?nic ? Pareira). Oper. Demulcent, diaphoretic, tonic. Use. As a substitute for sarsaparilla. KIRODO. L. MEDICINALIS. D. Sanguisuga. The Leech. (C. Vermes, 0. Helmintheca.) Prop. Body oblong, flattish ; colour on the back olive green, with four longitudinal stripes ; the two central yellow, broken with black ; two lateral yellow, entire ; two intermediate black, and yellow chain ; on the belly turkey blue, maculated with yellow ; mouth and bite, trian- gular ; anal extremity a circular sucker. Use. In every species of local inflammation, except the erysipelatous ; particularly in ophthalmia, placed as near the eye as possible. The
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