Injuries of the flap of the ear are often very troublesome to treat successfully. On this account such sores are spoken of as external canker, in contradistinction to the disease previously discussed.
When the ear has been torn, it is necessary to have professional aid to make a satisfactory job of it.
An effort must be made to get the edges of the torn surfaces to heal by what is called first intention.
ECZEMA OF THE EARS
The margins of the flaps of the ears are commonly the seat of a dry eczematous eruption. They become scaly, thickened, and hairless.
Many dogs have their ears in this condition for years; nevertheless, it is very unsightly, and the longer it exists the more the trouble of eradicating it.
Apply with friction an ointment, composed as follows, night and morning.
| ℞ | Oil of tar | 2 drachms |
| Glycerine | 2 drachms | |
| Powdered sulphur | ½ ounce | |
| Creosote | 1 drachm | |
| Lard added | 4 ounces |
Mix and rub well in all around the margins, for twenty minutes each time.
In addition to this, give a 5-grain blue pill, feed on meat and bread, giving less dog-biscuit, if this has been the principal food. A course of alterative medicine will be required.