Notes on the Newer Remedies: Their Therapeutic Applications and Modes of Administration, Second Edition Page: 167
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P YR OCA TE CHIN.- Q UEBRA CHO.
PYROCATECHIN.
This body is isomeric with resorcin, its formula being
CH4(OH)2.
Physical Properties.-This drug occurs in the form
of acicular crystals having a melting-point of 2I9.2 F.
(1040 C.); it boils at from 464 to 4730 F. (2400 to
245 C.).
Solubility.-Pyrocateczin is soluble in water, alcohol,
and ether.
Therapeutic Applications.-This remedy has been
tried as an antipyretic, but its use has not become pop-
ular.
QUASSIIN.
A bitter principle extracted from quassia (Picrwna
excelsa), being chemically constituted as C41H4209.
Physical Properties.- Quassiill is a crystalline body.
Therapeutic Applications.-This remedy has been
recommended as a stomachic tonic and as a stimulant
to digestion.
Administration.--The dose of quassiin is from 3 to
1 of a grain (0.002 to 0.02 gramme).
QUEBRACHINE.
An alkaloid obtained from the bark of the que-
bracho plant. The salt recently introduced into prac-
tical medicine is the hydrochloride, with a formula of
C21H,,6N203, H C1.
Therapeutic Applications.-This salt has been em-
ployed in the treatment of dyspnea with asserted suc-
cess (see Aspidospermine).
Administration.- Quebrachine hydrochloride is ad-
ministered by the mouth or hypodermatically, in doses
of from I to 2 grains (0.06 to o.I2 gramme).
QUEBRACHO.
The Aspidosperma quebracho, containing many active
principles.I67
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Cerna, David. Notes on the Newer Remedies: Their Therapeutic Applications and Modes of Administration, Second Edition, book, 1894; Philadelphia, Pennsylvania. (https://texashistory.unt.edu/ark:/67531/metapth143542/m1/166/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting University of Texas Health Science Center Libraries.