144 SYNOPSIS OF VETERINARY 



IJ Ac. Borici 



Sodii Boratis aa Grs. x. 

 Aq. Dest. 5 j. 



M. Ft. sol. et filtra. Sig. A few drops, in the eye 3 or 4 times daily. 



Boric acid may be applied pure to wounds and sores or mixed 

 with other suitable drugs as a dusting powder. 



Equal parts of Boric Acid and Zinc Oxide make a cheap and 

 effective healing powder ; if to an itching wound the addition 

 of an equal quantity of acetanilid increases its value. 



A saturated solution (4 per cent) is useful as a vaginal and 

 uterine douche and to flush the bladder in cystitis. 



BENZOINUM— BENZOIN. 



This is a balsamic resin, obtained from styrax benzoin ; it 

 contains benzoic acid in the proportion 12 to 20 per cent, to which 

 it probably owes its action. 



Preparations. 



adeps benzoinatus — Benzoinated Lard. 

 Composed of 20 parts benzoin to 1000 parts of lard, used as 

 an ointment itself, and as a base for ointments. 



tinctura benzoini — Tincture of Benzoin. — Dogs, 3 ss — j. 



TINCTURA BENZOINI COMPOSITA. 



Compound Tincture of Benzoin. — Composed of benzoin 12 

 parts, socrotine aloes two parts, storax eight parts, balsam of tolu 

 four parts, and alcohol enough to make 100 parts, commonly 

 known as Friar's Balsam. 



Dose. — dogs, 3 ss — ij. 



acidtjm benzoicum — Benzoic Acid. 



White feathery crystals of a peculiar, agreeable odor, and 

 warm, acidulous taste, sparingly soluble in cold water ( 1 to 500) , 

 more soluble in boiling water, 1 in 15, and in 2 parts of alcohol ; 

 borax renders it more soluble. 



Dose. — Horses and cattle, 2 dr. to y 2 oz. ; dogs, S to 15 grs. 



There is also a Benzoate of Ammonia and Benzoate of Soda. 

 — Same uses and doses as benzoic acid. 



Physiological Actions. — Benzoin is a mild stimulant, expec- 

 torant and antiseptic ; benzoic acid is quite powerful ; it renders 

 alkaline urine acid ; it is used to dissolve phosphatic calculi. 



