548 TEGETABLE DRUGS 



Spiritus Campharm. Spirit of Camphor. (U. S. & B. P.) 

 Dissolve camphor, 100, in alcohol, 800 ; filter, and add alcohol to 

 make 1000. (U. S.) 



Dose.— H. &. C, gi.-ii. (30.-60.); D., 3 ss.-i. (3.-4.). 



Linimentum Camphorx. Camphor Liniment. (U. S. & B. P.) 

 Synonym. — Camphorated oil. 

 Camphor, 300 ; cottonseed oil, 800. (U. S. P.) 



Ceratum Camphor m. Camphor Cerate. (U. S. P.) 

 Camphor liniment, 100 ; white petrolatum, 150 ; white wax, 350 ; 

 lard, 400. 



Tinctura Camphorm Composita. (B. P.) (Paregoric.) 

 Contains 1 part of morphine in 3000 = gr.J opium in 3 i. paregoric. 

 Dose. — D., 3 ss.-i. 



Camphora Monobromata. Monobromated Camphor. doHisBrO. 

 (U. S. P.) 

 Derivation.— Made by heating camphor and bromine together at a 

 temperature of 173°F. (77.7°C.) and solution in benzin. doHis O + S 

 Br = CioHie Br O + H Br. Recrystallized from hot alcohol. 



Properties. — Colorless, prismatic needles or scales, having a mild, 

 camphoraoeous odor and taste; permanent in the air, unaffected by 

 light, and neutral to litmus paper. Almost insoluble in water; freely 

 soluble in alcohol, ether, and chloroform, hot benzin and fixed and 

 volatile oils; slightly soluble in glycerin. 

 Dose.— D., gr.ii.-x. (.13-.6). 



Action External. — Camphor resembles the volatile oils 

 chemically and physiologically. It is a slight antiseptic 

 externally, and parasiticide. The vapor of camphor killa 

 moths, fleas, bugs, etc. Camphor is a mild irritant, produc- 

 ing a rubefacient action followed by partial anaesthesia. It 

 is eliminated in part by the skin and occasions some diar- 

 phoresis. 



Action Internal. — Alimentary Canal. — Camphor stimu- 

 lates the stomach, increasing the secretion, motion and 

 vascularity of the organ. In the bowels camphor is supposed 

 to overcome pain, spasm, and check secretion in diarrhoea, 

 but has little effect in normal conditions and in therapeutic 

 doses. 



Circulation. — The heart is stimulated by camphor, and 

 the pulse is increased in force by medicinal doses. The drug 

 acts in part directly on the heart muscle and in part reflexly 



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