The surname dates back to the early 13th Century (see below), and early recordings include: William de Copeland (1256) in the Assize Court Rolls of Northumberland, and Thomas Coupeland (1376) in the Feet of Fines of Essex.
We consider alcohol to be a natural ingredient, as it is found in nature and alcohol is a good ingredient for a dog ear infection home remedy. Alcohol is used as a drying agent and a disinfectant. Moisture in the ear supports infectionsâalcohol evaporates the moisture.
1 A smelly ear may indicate a possible yeast infection. In such cases you need to treat the ear with chlorhexidine 4% followed by clotramizole ointment or other medications that kill yeast.  Many a times, a dogâs ear smells and is inflamed due to food allergies.