and are noticed under the head of ENEMA. The following are the principal injections employed in medical practice at the present day:--
=Injection of Ac'etate of Ammo"nia.= _Syn._ INJECTIO AMMONIae ACETATIS, L.
_Prep._ (Ph. Chirur.) Solution of acetate of ammonia (Ph. L.), 1 part; water, 3 parts. Refrigerant.
=Injection of Ac'etate of Cop'per.= _Syn._ INJECTIO CUPRI ACETATIS, L.
_Prep._ From verdigris, 10 gr.; oil of almonds (hot), 4-1/2 oz.; triturate until dissolved, and strain. Detergent.
=Injection of Ac'etate of Lead.= _Syn._ INJECTIO PLUMBI ACETATIS, L.
_Prep._ 1. Sugar of lead, 1/2 dr.; distilled water, 1/2 pint.
2. (Dr Collier.) Acetate of lead, 40 gr.; rose water, 8 fl. oz. Astringent and sedative. See SEDATIVE INJECTION.
=Injection of Ac'etate of Zinc.= _Syn._ INJECTIO ZINCI ACETATIS, L.
_Prep._ 1. (Ellis.) Acetate of zinc, 8 gr.; rose water, 4 fl. oz.
2. (Brodie.) Sulphate of zinc, 1 dr.; sugar of lead, 80 gr.; water, 1 pint; dissolve separately, mix, and filter. Astringent.
=Injection, Alkaline.= _Syn._ INJECTIO ALKALINA, I. LITHONTRIPTICA, L.
_Prep._ (Chevallier.) Carbonate of soda, 1 dr.; Castile soap, 2 dr.; water, 12 fl. oz.; dissolve. In certain forms of calculus.
=Injection of Aloes.= (Bories.) _Syn._ INJECTIO ALOES. _Prep._ Aloes, 10 gr.; muriate of ammonia, 10 gr.; honey of roses, 1 oz.; fennel water, 6 oz.
4. (Dr Reece). Alum, 1 dr.; acetate of lead, 1-1/2 dr.; triturate with 6 oz. of boiling water, and in an hour filter.
=Injection of Al'um.= _Syn._ INJECTIO ALUMINIS, L. _Prep._ 1. (Dr Collier.) Alum, 18 gr.; rose-water, 6 fl. oz.; dissolve. For the urethra.
2. (Collier.) Alum, 3 dr.; water, 1 quart. For the vagina.
3. (Ph. Ch.) Alum, 4 gr.; rose-water, 4 fl. oz. The above are all astringent.
=Injection of Ammo"nia.= _Syn._ INJECTIO AMMONIae, L. _Prep._ 1. (Dr Ashwell.) Liquor of ammonia, 1 to 2 fl. dr.; milk, 1 pint. In obstructed menstruation.
2. (Lavagna.) Liquor of ammonia, 8 to 20 drops; milk, 2 fl. oz. As the last, thrice daily, beginning with the least quantity of ammonia.
3. Liquor of ammonia, 1 fl. dr.; mucilage, 1 oz.; water, 9 fl. oz. As the last.
=Injection of Ammo"nio-Sulphate of Cop'per.= _Syn._ INJECTIO CUPRI AMMONIATI, L. _Prep._ (Swediaur.) Ammonio-sulphate of copper, 5 gr.; rose-water, 8 fl. oz. In chronic gonorrha.
=Injection of Bichlo"ride of Mer'cury.= _Syn._ INJECTIO HYDRARGYRI BICHLORIDI, L. _Prep._ 1. Corrosive sublimate, 2 gr.; rose water, 5 fl.
oz.; hydrochloric acid, 1 drop.
2. Corrosive sublimate and sal ammoniac, of each 5 to 10 gr.; water, 1 pint.
3. Sublimate, 5 gr.; rose water, 2-1/2 fl. oz. Used to promote healthy action, and to prevent infection.
=Injection of Cal'omel.= _Syn._ INJECTIO CALOMELANOS, I. HYDRARGYRI, CHLORIDI, L. _Prep._ (St. B. Hosp.) Calomel, 1 dr.; mucilage, 1 fl. oz.; water, 1/2 pint. Some persons order 'quince mucilage.'
=Injection of Carbolic Acid.= (Throat Hosp.) _Syn._ INJECTIO ACIDI CARBOLICI. _Prep._ Carbolic acid, 5 gr.; water, 1 oz.; mix. Antiseptic.
=Injection of Car'bonate of Lead.= _Syn._ INJECTIO CERUSSae, I. PLUMBI CARBONATIS, L. _Prep._ (Hosp. F.) Carbonate of lead (finely levigated), 1/2 dr.; sulphate of zinc, 8 gr.; mucilage, 1 oz.; rose water, 5 oz.
Cooling and astringent.
=Injection of Chlo"ride of Lime.= _Syn._ INJECTIO CALCIS HYPOCHLORIS, L.
_Prep._ 1. Chloride of lime, 1/2 dr.; water, 1/2 pint; agitate well together, and filter. To prevent infection.
2. (Detmold.) Chloride of lime, 2 dr.; decoction of rhatany, 13 fl. oz.; dissolve, and filter. In foul discharges, especially in ozaena, or ftid ulceration of the nose.
3. (Rousse.) Chloride of lime, 20 gr.; water, 7 fl. oz.; wine of opium, 1 fl. oz. In foul discharges, and to allay irritation.
=Injection of Chlo"ride of So'da.= _Syn._ INJECTIO SODae HYPOCHLORIS, L.
_Prep._ From solution of chloride of soda, 1 fl. dr.; rose water, 3 fl.
oz. As the last.
=Injection of Chlo"ride of Zinc.= _Syn._ INJECTIO ZINCI CHLORIDI, L.
_Prep._ From chloride of zinc, 2 gr.; rose water, 3 fl. oz.; hydrochloric acid, 1 drop. In gonorrha.
=Injection of Copai'ba.= _Syn._ INJECTIO COPAIBae, L. _Prep._ 1.
(Abernethy.) Copaiba 2 dr.; thick mucilage, 5 dr.; lime water, 6 fl. oz.; make an emulsion.
2. (Plenck.) Copaiba, 1/2 oz.; yolk of egg, q. s.; lime water, 6 fl. oz.; honey of roses, 3 oz. As the last.
3. (Ricord.) Copaiba, 6 dr.; yolk of egg, q. s.; decoction of poppies, 3 to 4 fl. oz. In ulcers of the rectum, vagina, and urethra; and in gonorrha.
=Injection of Cre'asote.= _Syn._ INJECTIO CREASOTI, L. _Prep._ (Dr Allnatt.) Creasote, 20 drops; white sugar, 2 dr.; liquor of potassa, 2 fl.
dr.; triturate, and add of water, 8 fl. oz. In leucorrha and piles.
=Injection of Cu'bebs.= _Syn._ INJECTIO CUBEBae, L. _Prep._ (Soubeiran.) Cubebs (in powder), 1 oz.; extract of belladonna, 1 dr.; boiling water, 16 fl. oz.; infuse in a covered vessel, and strain. Stimulant and narcotic.
In gonorrha and leucorrha.
=Injection for the Ear.= _Syn._ INJECTIO ACOUSTICA, L. _Prep._ 1. Ox-gall, 3 dr.; balsam of Peru, 1 dr.; mix. In hardened wax, dryness of membranes, &c.
2. Oil of almonds or cloves, 2 oz.; oil of amber, 20 drops; tincture of castor, 1 fl. dr.; spirit of camphor, 1/2 dr.; laudanum, 3 drops; mix. In ear-ache and chronic deafness.
3. (Alibert.) Balsam of Peru, 2 dr.; tincture of musk, 4 or 5 drops; otto of roses, 1 or 2 drops; decoction of St. John's wort (warm), 16 fl. oz.; agitate together, and after repose decant the clear. In discharges from the ear.
_Obs._ Mr Yearsley states that drops and injections for the ear should be used with very great caution, and only under proper advice, as they otherwise often aggravate the ailment, instead of curing it.
=Injection of Er'got.= _Syn._ INJECTIO ERGOTae, I. SECALIS CORNUTI, L.
_Prep._ 1. (Boudin.) Ergot, 1 dr.; boiling water, 8 fl. oz.; infuse until cold. When the urethra is highly sensitive.
2. (Descrolles.) Powdered ergot, 1 oz.; boiling water, 1 pint. Both the above are used in chronic inflammation of the vagina, and in gonorrha.
=Injection of Gal'lic Acid.= _Syn._ INJECTIO ACIDI GALLICI, L. _Prep._ (Dunglison.) Gallic acid, 1/2 dr.; water, 1 pint. In leucorrha.
=Injection of Galls.= _Syn._ INJECTIO GALLae, L. _Prep._ From galls (bruised), 2 dr.; boiling water, 1 pint; infuse 1 hour, and strain.
Astringent; in leucorrha.
=Injection of Hydrochlo"ric Acid.= _Syn._ INJECTIO ACIDI HYDROCHLORICI, L. _Prep._ From hydrochloric acid, 10 drops; soft water, 5 fl. oz. To prevent and to remove recent infection; also to remove particles of lime and iron from the eye.