]26 DISEASES OF THE EAR. 



;Affectioj^s of the Fzas* of the Eas. 



Abscesses oocasionaUy form In the flap of the ear. They may oooui 

 without any apparent cause but are more commonly the result of blows 

 or tugging at the ear. The constant shaking of the head induced by canker 

 may be sufficient to gire rise to abscesses. 



Their contents are usually watery in character and they have the pecu- 

 liar baggy appearance of large blisters. An opening should be made in 

 the lowest part of the abscesses ; this must be 1 arge and free, and kept open 

 until the sack has entirely closed. This treatment and perfect cleanliness 

 will ordinarily be quite sufficient. If matter forms and a, running sore 

 results, the oxide of zinc ointment will readily heal it. 



At times an eczema of the flap occurs independently of a general mani- 

 festation of the disease. This condition if not Induced by constant scratch- 

 ing is almost always aggravated by it. The treatment of this aflfection is 

 identical with that of mange. 



A dry, scaly condition of the external passage of the ear involving the 

 inner portion of the flap may exist, and often follows acute inflammations 

 of that organ. The affection annoys the animal exceedingly, induces 

 constant scratching. In the treatment the following wDl be found effica- 

 cious.— 



R Zinci Sulphoearb. gr. vl 



Aquae g i 



Ft. Mist. Sig. Drop in the ear three or four times daUy. 



At night it will be well to freely apply this ointment to the external 

 parts affected.— 



E Ungt. Hydrarg. 5 1 



Ungt. Simp. gUj 



Ft. Ungt. Sig. External use. 



Constitutional derangements should be sought for, and if found, are to be 

 treated as the need is manifest. 



Othsematoma or blood tumor of the ear is a form of disease said to affect 

 dogs, an account of its occurrence in which,has been given by Mr. S. Ogler 

 Ward. Wilde states that he observed the trouble in a valuable pointer. 



The cat is rather more liable to the affection. One case has been de- 

 scribed where the entire auricle was swollen out, the affected organ 

 forming a long pointed tumor. The effusion was gradually absorbed, thick- 

 ened, and shrivelled. In this instance the presence of a cutaneous trouble 

 at the upper and back part of the auricle was noted. 



