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RHUBARB. 541

DENTAL FORMULAE.
For Alveolar Pyorrhcea. Olei cassia
tit''
Dr. a. W. Harlan. Glycerini *j
R . Resorcin 5 ij Aquae destillatae . . J ij. M.
Acidi carbolici 3J
Signa.— Inject with a syringe into the
Glycerini . .
remains of the pockets in the after-
I treatment.
Aqure q. s. viij. M.
.
.
SiGNA.—Use as a mouth \v: ash after re-
moving all deposits, and the adjacent
carious or necrosed bone. For Mucous Patches of the
A few drops of oil of peppermint Mouth.
or any other desirable oil may be
Dr. a. \V. Harlan.
added to the above.
For Alveolar Pyorrhoea. R . Resorcin gr-xl
Dr. a. W. Harlan. Aquffi destillatae . . . ^ss. M.
R. Resorcin . . gr.xxx Signa.—Dry surface and paint with
Acidi tannici .... gr.v above.
RHEUM—RHUBARB.
Source.—The root of Rheum officinale. It contains two acids,
rheo-tannic and rheumic, a resin, phaoretin., and an acid, chryso-
phan or chrysophani.
Medical Properties and Therapeutic Uses.— Rhubarb possesses
tonic and astringent as well as purgative properties. In small
doses, as a tonic, it promotes the appetite and digestive power,
and by virtue of the tannic acid it contains, is astringent. The
purgative principle it possesses enables sufficient doses of rhu-
barb to act as a cathartic, producing stools which are of a yel-
lowish-brown color, and soft, but not watery. It has no ten-
dency to cause gastro-enteric inflammation. It is now classed
among the cholagogues, as it increases the flow of bile and the
intestinal secretions, which is due to phaeoretin—rhubarb resin.
Its coloring matter not only stains the stools, but also the per-
spiration, milk of nursing women, to which it gives a bitter taste
and purgative principles, and the urine. It is employed with
benefit in diarrhoea caused by the accumulation of undigested
food in the intestines, hemorrhoids accompanied by constipation,
dyspepsia with deficient biliary and intestinal secretions, the
summer diarrhoea of children in the form of the aromatic svrup.