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ALUM. 279
Its astringent influence is chiefly upon mucous surfaces.
Applied locally to relaxed or bleeding parts, it corrugates the
surrounding tissues and causes contraction of the capillaries, and,
in this manner, acts as an astringent.
Therapeutic Uses.—Alum is internally administered in diar-
rhoea, chronic dysentery, colica pictonum, catarrh of the
stomach, etc. Externally it is applied in ulcerated and relaxed
throat affections, ptyalism, gonorrhoea and gleet, uterine hem-
orrhage, morbid growths, hematuria, ophthalmia, chronic
whooping-cough, chronic skin diseases, chilblains, ulcers,
hospital gangrene, etc., etc.
Dose.—Of alum, gr. x to I3j or 3ij, in powder, or solution in
water, or in some simple infusion.
Ammonia Alum.—Sulphate of alumina and ammonia
Alumincs et Ammonite Sulphas— is prepared by adding sulphate of
ammonia to a solution of sulphate of alumina.
Dried Alum.— Alumen Exsiccatum (alum deprived of its
water of crystallization by heat)^— is employed externally as a
mild escharotic, to destroy exuberant granulations, etc.
Dental Uses.—Alum is employed in dental practice as a styptic
in alveolar hemorrhage ; as a gargle in stomatitis, ulceration,
and sponginess of the gums, morbid or fungous growth of gums,
dental pulp, etc., superficial hemorrhage from the mucous
membrane of the mouth, ulcers of the mouth, cancrum oris,
odontalgia, after the extraction of teeth—one drachm in a tumbler
of water, etc., etc. In congested conditions of the mucous
membrane of the mouth and throat, alum gargles afford great
relief. Powdered alum added to liquor sodae chlorinatas
(Labarraque's Solution), is an excellent bleaching application
for discolored necrosed teeth.
The habitual use of alum as an ingredient of a dentifrice is
injurious to the teeth, on account of the sulphuric acid it
contains.
Potash alum Aluminii et Potassii Sulphas—the alum of
commerce (which has been superseded by ammonia alum), will
render plaster casts hard, when they are boiled in a strong
solution for half an hour.
—
ALUM. 279
Its astringent influence is chiefly upon mucous surfaces.
Applied locally to relaxed or bleeding parts, it corrugates the
surrounding tissues and causes contraction of the capillaries, and,
in this manner, acts as an astringent.
Therapeutic Uses.—Alum is internally administered in diar-
rhoea, chronic dysentery, colica pictonum, catarrh of the
stomach, etc. Externally it is applied in ulcerated and relaxed
throat affections, ptyalism, gonorrhoea and gleet, uterine hem-
orrhage, morbid growths, hematuria, ophthalmia, chronic
whooping-cough, chronic skin diseases, chilblains, ulcers,
hospital gangrene, etc., etc.
Dose.—Of alum, gr. x to I3j or 3ij, in powder, or solution in
water, or in some simple infusion.
Ammonia Alum.—Sulphate of alumina and ammonia
Alumincs et Ammonite Sulphas— is prepared by adding sulphate of
ammonia to a solution of sulphate of alumina.
Dried Alum.— Alumen Exsiccatum (alum deprived of its
water of crystallization by heat)^— is employed externally as a
mild escharotic, to destroy exuberant granulations, etc.
Dental Uses.—Alum is employed in dental practice as a styptic
in alveolar hemorrhage ; as a gargle in stomatitis, ulceration,
and sponginess of the gums, morbid or fungous growth of gums,
dental pulp, etc., superficial hemorrhage from the mucous
membrane of the mouth, ulcers of the mouth, cancrum oris,
odontalgia, after the extraction of teeth—one drachm in a tumbler
of water, etc., etc. In congested conditions of the mucous
membrane of the mouth and throat, alum gargles afford great
relief. Powdered alum added to liquor sodae chlorinatas
(Labarraque's Solution), is an excellent bleaching application
for discolored necrosed teeth.
The habitual use of alum as an ingredient of a dentifrice is
injurious to the teeth, on account of the sulphuric acid it
contains.
Potash alum Aluminii et Potassii Sulphas—the alum of
commerce (which has been superseded by ammonia alum), will
render plaster casts hard, when they are boiled in a strong
solution for half an hour.
