A text-book of practical therapeutics : with especial reference to the application of remedial measures to disease and their employment upon a rational basis / by Hobart Amory Hare.

  • Hare, H. A. (Hobart Amory), 1862-1931.
Date:
1890
Catalogue details

Licence: Public Domain Mark

Credit: A text-book of practical therapeutics : with especial reference to the application of remedial measures to disease and their employment upon a rational basis / by Hobart Amory Hare. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    DOSAGE. placed upon a backing of cloth or leather and designed to adhere to the skin over a diseased area; being put there for the purpose of holding a medicinal substance in contact with the body, of acting as a protective, or to aid in the approximation of the edges of a wound. 11, Extracts consist of the soluble parts of plants reduced to a semi-solid or solid condition by evaporation; the soluble constituents being taken from the plant by water or alcohol. Fluid extkacts are made in the same way as solid extracts, except that they are not so completely evaporated. Glycerita, or glycerins, are solutions of various substances in glycerin ; the glycerin being used as a vehicle. Infusions are made by pouring boiling water on the crude drug and allowing it to stand for a short time until the water cools, after wliich the liquid is strained. Sometimes cold water is employed. Pills are small round masses which, as a general rule, should never contain more than three grains, in order to avoid being too bulky. If the material is a heavy one, as much as five grains may be placed in each pill. Suppositories are small round masses made into a cone shape, having for their basis cocao butter, and are designed to carry into the rectum certain medicines for absorption or for local action. Tinctures are solutions of the active principles of drugs in alcohol. Triturates are made by adding ten per cent, of the active medi- cine to ninety per cent, of milk-sugar. These are then carefully rubbed together until the two are intimately mixed. Troches, or lozenges, are flat, hardened masses designed, for hold- ing medicines in the mouth so that they may be slowly dissolved, thereby affecting the local mucous membrane. Ointments consist in the mixture of some kind of fatty substance with the medicine which they are designed to carry. Wines are made in the same way as tinctures; strong white wine being used in the Uuited States and sherry or orange wine in Great Britain in place of ordinary alcohol. DOSAGE. There is, unfortunately, no absolutely fixed rule which can be ap])lied to dosage for several reasons. In the first place, the indi- vidual may not be readily affected by drugs, or the disease process which is present may so antagonize them as to render verv large doses necessary. Further than this, the age and sex of a patient have much to do with the regulation of the proper amount of drug which we may give, and, finally, that curious unknown subject of suscep-