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MANUAL FOR STABLE SERGEANTS. 



occur independently, but usually follows such diseases as strangles, 

 pneumonia, and influenza. 



Cause. Unknown. 



Symptoms. On the mucous membranes of the nostrils and eyes 

 there appear small, dark red spots, varying in size from that of a 

 pin's head to a pea. At about the same tinie swellings appear on 

 the head, belly, and legs, which become enormous in size. These 

 swellings have a characteristic abruptly terminating border, giving 



FIG. 58. Purpura hemorrhagica. 



the appearance of having been tied with a string. The swellings 

 of the legs cause stiffness, and the swellings of the head and nostrils 

 may become so great as to interfere with breathing. The tempera- 

 ture is at first normal, but may become elevated in a few days. 



Treatment. There is no specific. Tie the head up high. Give 

 easily digested food and tonics. If the swellings break open or 

 crack, apply antiseptics. If suffocation threatens, bathe nostrils 

 with cold water. Tincture of chloride of iron is probably the best 

 tonic. It should be given twice a dav. 



