Volume 1

The elements of materia medica and therapeutics / by Jonathan Pereira.

  • Pereira, Jonathan, 1804-1853.
Date:
1854-1857
Catalogue details

Licence: Public Domain Mark

Credit: The elements of materia medica and therapeutics / by Jonathan Pereira. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

    885/1034 (page 855)
    Pernitrate op Ikon. ummonia added to tlie filtered solution throws down the impurities ; excess of the alkiili will redissolve the alumma. , ^ n Ancr^ and Physiological Effects. «. On Animals.-Conllon g^ve to dogs and sparrows without kilhng them; and Schubarth states that the only eflect pro- duced on a dog by two drachms was dejection.^ ^p^nled 8. On Man.-lts eflects on man are not very obvious. _ It is reputea alterative, tonic, and febrifuge. Sachs^ calls it a resolvent tonic. UsES.-It has been recommended by Dr. Zolhckoffer3 as a more cer am prompt, and efficacious remedy for intermitting and remitting fevers han cinchona; and particularly adapted for clnldren, on_ account of its insipidity and smallness of dose. It may be administered during the paroxysm as Wi as in the intermission, and does not disagree with the most irritable stomach. Hosack,* Eberle,5 and others, have borne testimony to its good etiects Subsequently, Zollickoffer found it useful in dysentery. Kirkhoffs used it tor many years in epilepsy, with the best resuUs, having cured some cases ot several years^ standing. It has also been employed by Dr. Bridges, of Philadelphia,? iu a case of severe and protracted facial neuralgia, with very considerable rehef. Lastly, it has been used in the form of ointment, as an application to foul ulcers. In pharmacy it is employed in the manufacture of bicyanide of mercury. Administeation.—The dose of commercial Prussian blue is from lour to six or more grains every four hours. The ointment above referred to may be prepared with a drachm of Prussian blue and an ounce of lard. 153. Ferri Pernitras. — Pernitrate of Iron. Formula Ee=0^3N0^ Equivalent Weight 242. FersesquinUrate of Iron; Ferrum nitricum oxydatum.-QhXM by dissolving iron, sesQuioxide of iron, or the bydrated sesquioxide of iron in nitric acid. _ Mr Kerr « who introduced the use of this compound into medicine, gives the foUowmg directions for its preparation :-Take of small chips or pieces of iron-we, 51SS.; nitric acid, by measi/re; water, B^^vij.; hydrochloric acd 5K ^j^t the n-on into an earthenware vessel, and pour on the nitric acid, previously diluted with fitteen ounces of the water. Set the vessel aside till the whole of the acid has united with the iron; then decant the hquid from the portion of iron which remains undissolved, strain and hlter Add the hydrochloric acid with the remainder of the water, or with as much ot that liquid as shall increase the whole solution to thhty ounces. The process usually requires from nine to twelve hours for its completion. Without the use of the hydrochloric acid the linuid is apt to become turbid in a few weeks. The solution when rightly made is ot a beautiful dark red colour when viewed with transmitted Ught. its taste is very ^^It.s topical effects are those of a very powerful astringent and mild caustic. Mr. Kerr thinks that in addition to an astringent quality it possesses the property ot dmiinishmg the irritability and tenderness of the mucous membranes with which it comes m contact. Its 1 Wibmer, Wirk. d. Arzneim. ii. 356. ■iEandwdrt.d.pralct.Arzneim.ii.^^l. . t,^ , , , 3 Treatise on the Use of Pnujian Blue in Ldermiltinr/ and Remdlmg I'evers, JMarylaiid, 1822. New Yoric Medical and Plii/siological Journal, 1823, quoted by Richlcr, Atisf. Arzneim. 5 Mat. Med. i. 233. Froriep's Nolizen, Bd. xvii. 340. ' United Stales Dispensatory.