68 DISEASES OF THE DOMESTIC ANIMALS 



to advantage the drugs recommended above. Thus, equal parts of 

 boric acid and sodium benzoate (H. & C, 3i; D., gr. v to x) may- 

 be given in the drinking water to large animals ; in capsules to dogs, 

 twice or thrice daily. Hexamethylenamine is also excellent, though 

 expensive, and is preferable otherwise to boric acid and sodium 

 benzoate (H. & C, 3i; D., gr. v, thrice daily in drinking water). 



If the urine is acid, alkalies — sodium bicarbonate or potassium 

 citrate — should always be employed, and sodium benzoate omitted, 

 its place being taken by salol (H., 3i; D., gr. v, thrice daily), boric 

 acid, or hexamethylenamine. When the disease has a tendency to 

 become chronic, fluidextract of buchu is of advantage (H., §i; 

 D., 3ss, three times daily). In chronic cystitis, local treatment is, 

 however, of most avail. The solutions of chief value are boric 

 acid, i per cent. ; borax, 3i to Oi ; creolin, one-half teaspoonful to 

 the quart. One of these solutions should be injected daily at body 

 heat through a glass funnel attached to a catheter. Silver nitrate, in 

 1-1,000 solution, may be used every third day when the less stimu- 

 lating injections fail. 



Absolute sterility of catheters should be secured to prevent 

 cystitis. Washing with soap and warm water and prolonged soak- 

 ing in 1 to 1,000 sublimate or 5 per cent, carbolic acid solution, 

 may be used, and lubrication with an aseptic lubricant in collapsible 

 tubes, as vaseline with 10 per cent, boric acid. Soft rubber catheters 

 are preferable, as they do not cause erosion of the mucous membrane 

 of the urinary tract. 



Cystitis is more common in females owing to extension of 

 infections of the genital tract, particularly of the puerperal state. 

 Chronic cystitis may arise from tuberculosis, new growth, or cal- 

 culus in the bladder, when medical treatment would be useless. 



Unfortunately, local treatment can not often be given on ac- 

 count of its expense, and cattle may be fattened for slaughter while 

 receiving internal medication. 



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