Tincture, Odontalgic. Syn. Toothache tincture; Tinctura odontalgica, L. Prep. 1. Tincture of opium, 1 fl. dr.; ether, 2 fl. dr.; oil of cloves, 15 drops.
2. Rectified spirit, 3 fl. dr.; chloroform, 2 dr.; creasote, 1 dr.; mix.
3. (Collier.) Pellitory of Spain, 4 dr.; camphor, 3 dr.; opium, 1 dr.; oil of cloves, 2 fl. dr.; rectified spirit, 16 fl. oz.; digest for a week.
4. (Niemann.) Digest 60 or 80 common lady-birds (Coccinella septempunctata—Linn.) in rectified spirit, 1 fl. oz. for 8 days, and strain.
Obs. The above are commonly applied, on a small piece of lint, in toothache. For other formulæ see Drops, Tinctures of Myrrh and Pellitory, &c.
Tincture of O′pium. Syn. Laudanum, Liquid, L., Anodyne tincture, Thebaic t.; Tinctura opii (B. P., Ph. L., E., & D.), Thebaica, Laudanum liquidum, L. Prep. 1. (B. P.) Opium, in coarse powder, 11⁄2; proof spirit, 20; macerate 7 days, strain, express, filter, and add spirit to make 20.—Dose, 10 to 30 minims.
2. (Ph. L.) Powdered opium, 3 oz. (3 oz.—Ph. D.); proof spirit, 1 quart; macerate for 7 days (14 days—Ph. D.), and strain, with expression.
3. (Ph. E.) Opium, sliced, 3 oz.; boiling water, 131⁄2 fl. oz.; digest, with heat, for 2 hours, break down the opium with the hand, strain, and express the infusion; then macerate the residuum for about 20 hours in rectified spirit, 1 pint 7 fl. oz.; next strain, press, mix the watery and spirituous infusions, and filter.
Obs. This preparation has a deep brownish-red colour, and the characteristic odour and
taste of opium. 14 minims or measured drops of the London, and about 15 minims of the Edinburgh and Dublin tinctures, are equivalent to 1 gr. of dry opium, or 1·12 gr. of ordinary opium. 14 minims of this tincture are equal to about 25 drops of it poured from a bottle. Its sp. gr. is ·952 (Phillips).—Dose, 10 to 60 drops; as an anodyne, sedative, or hypnotic. The following form is substituted for that of the Pharmacopœia by many of the wholesale drug houses:—Take of Turkey opium, 21⁄2 lbs.; boiling water, 9 quarts; digest till dissolved or disintegrated, cool; add of rectified spirit, 2 galls.; and, after repose for 24 hours, decant the clear portion. Prod. 4 galls.