210 INORGANIC AGENTS 



Cocaine Hydrochlor gr.v-x. ^ 



Acid. Borici gr.x-xx. 



Aquae ad 3i. 



M. 



S. Eye lotion. 



Borax is perhaps more appropriate in the mouth, being alkaline. 

 It is applied by swab, in saturated solution, for aphthous and other forms 

 of stomatitis. A saturated solution (4 per cent.) of boric acid is use- 

 ful as an injection for ozena, cystitis and vaginitis. Borax in saturated 

 solution assuages pruritis ani and vulvae, and is employed as an appli- 

 cation for ringworm. Boroglyceride is indicated for burns and wounds. 



One of the very best non-toxic wet dressings for wounds and ul- 

 cers consists of saturated aqueous boric acid solution with equal parts of 

 alcohol. The following combination forms a soothing, protective dusting 

 powder of chafed surfaces, intertrigo, erythema and moist eczema in 

 dogs: 



Acidi borici 3i. 



Zinci oxidi §ss. 



M. 



S. Apply externally as dusting powder. 



Boric acid is prescribed in 10 per cent, ointment for burns, eczema 

 and psoriasis. It is perhaps the best remedy for canker of the ear in 

 dogs (otitis externa). The ear should be syringed out with a 2 per cent, 

 solution, dried with absorbent cotton, and powdered with pure boric acid. 

 The internal uses of boric acid are unimportant. It has been recom- 

 mended and given as an emmenagogue, and as an intestinal antiseptic 

 in fermentative diarrhea of foals and calves. Boric acid is often admin- 

 istered in human medicine to acidify the urine and disinfect the genito- 

 urinary tract, although not so efiiii.'nt as urotropin. 



SECTION XXII. 

 Class I. — Carbon. 



Carbo Ligni. Charcoal. (U. S. & B. P.) 



Synonym. — Wood charcoal; charbon v6g6tal, Fr.; holzkohle, G. 



Derivation. — Soft wood charred by piling it in heaps, igniting, and covering 

 it with sand and turf to prevent rapid combustion. 



Properties. — A black, odorless and tasteless powder, free from gritty matter. 

 Insoluble in water or alcohol. 



Dose.—H. & C, gi-ii, (30-60) ; Sh. & Sw., 3ii-iv, (8-15) ; D., gr.xx-3i, (1.8-4). 



Action. — -Charcoal is essentially a deodorant and absorbent. It 

 possesses the power to absorb gases like other porous substances. Ordi- 

 narily it holds oxygen and when it comes' in contact with decomposing 

 matter it gives up its oxygen and at the same time absorbs the gaseous 

 products of the decomposing substance. In this way it hastens fer- 

 mentation by oxidation and, while not a sufficiently powerful oxidizer 

 to act as a germicide or antiseptic, yet it may favor the growth of 



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