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438 DENTAL MEDICINE.
solvents in the treatment of glandular enlargements, indurations,
tumors, thickening of membranes, etc., etc. ; also in scrofula,
scrofulous ophthalmia, tubercular meningitis, advanced stage of
pleurisy, chronic affections of the liver, etc., etc.
Iodide of potassium is much employed in mercurial poisoning
and in syphilis, especially in the secondary and tertiary forms,
and after the employment of mercury has proved useful ; also in
affections of the nervous system of a syphilitic origin, together
with the other affections already referred to as indicating iodine.
Externally iodine is used in the form of tincture in the treatment
of enlarged scrofulous glands, cutaneous affections, erysipelas,
rheumatism, gout, phlegmons, syphilitic gummatas and nodes,
phagedaenic ulcerations, carbuncles, diseases of the joints, wounds
and parts poisoned; and as a counter-irritant in pneumonia,
phthisis and pleurisy ; and as injections in hydrocele and bron-
chocele. The vapor is inhaled with benefit in chronic bronchitis
and phthisis. Iodine also ranks highly as a disinfectant.
Dose.—Of iodine alone, gr.^ to gr. j two or three times a day,
in the form of a pill, directly after eating on account of its irri-
tant effect; the best form of administration, however, is iodide of
potassium. Dose of the iodide of potassium, gr. iij to gr. x. A
new way of giving iodine internally is by dissolving iodine in
water with four times its weight of iodide of potassium, and mix-
ing with glucose.
Tincture of Iodine— Tinctura lodi (iodine, 5j ; alcohol, Oj).
Dose, mj to lUv.
Compound Tincture of Iodine— Tinctura lodi Composita (iodine,
; alcohol, Oj). Dose, TTLij to TTLx.
5ss ; iodide of potassium, §j
A new tincture of iodine has been introduced by Prof. Elsberg,
which may be substituted for the officinal tincture, and which
can be combined with tincture of aconite root.
It is claimed that it is much stronger than the officinal 7 per
cent., as it contains 20 per cent, of iodine ; and that no poison-
ous effects have resulted from its use ; one application being as
beneficial as four of the officinal tincture. The formula is iodine
20.0 ; alcohol, ether, fia 40.00.
Colorless Iodine.—Iodine is bleached by carbolic acid, and the