Difficult Staleing, 163 



the prostate gland in old male horses, cancer, stone in the 

 bladder, accumulation of dirt in the sheath and excessive 

 constipation. 



3. Irritating drugs, especially cantharides and turpentine, 

 used carelessly, or sometimes when cautiously used in horses 

 of a peculiar sensitiveness to their influence. This form is 

 called " strangury," and is characterized by the frequent 

 efforts to stale, but the passage of only a few drops at a time. 



Treatment. — TThen it appears that the suppression is ow- 

 ing to palsy, the urine must be drawn off with a catheter 

 several times a day, and the treatment recommended under 

 paralysis promptly resorted to, especially the injection of 

 strychnine under the skin. » 



If it is due to inflammation of the neck of the bladder, as 

 indicated by the heat, swelling and tenderness of the part, 

 and the general feverish symptoms, general bleeding may be 

 resorted to, and injections of warm water containing one 

 drachm of extract of belladonna to the quart must be thrown 

 repeatedly up the rectum, or, in mares, up the vagina. Full 

 doses of opium may be given to relieve pain. 



Spasm of the neck of the bladder may be overcome by the 

 use of the same injection. 



Accumulation of hardened feces in the rectum requires fre- 

 quent and full injections of soap and water, supplemented, if 

 necessary, by back-raking the animal. Cancer, stone and 

 enlargement of the prostate are practically incurable, and a 

 horse so affected might as wtII be killed. 



If due to general weakness of the bladder, the following 

 stimulant may be given : — > 



No. 167. Powdered cantharides, 20 grains. 



Powdered digitalis, 1 drachm. 



Mix with soap into a ball. 



Of a more soothing and gentle action is this one :— 



No. 168. Powdered camphor, 2 drachms. 



Saltpetre, ^ oz. 



Mix into a ball. 



