If your dog's ears are healthy and you wish to keep them that way, a little preventive maintenance can go a long way.
If your dog has chronic otitis or recurring ear infections, it may not be totally possible to prevent infection. Still, there are many things you can do that will help.
Periodic Cleaning of Ears to Prevent Canine Ear Infections
Even if your dog's ears are healthy, regular cleaning can help keep them healthy and free of dirt, debris and wax. This is especially true if your dog has ears that secrete a lot of cerumen (wax).
If your dog has a thick growth of hair inside of the ear canals, a decision will need to be made regarding whether the hair should be removed or left alone. In many cases, if your dog's ears are healthy and not causing a problem for your dog, the best choice may be to leave the hair alone. However, thick growths of hair inside the ear canal can interfere with your ability to clean your dog's ears effectively and may also serve as a trap for debris and discharge from the ear canal. If in doubt, consult your veterinarian.
Cleaning your dog's ears periodically also gives you a good chance to examine your dog's ears for signs of problems. Watch for signs like tenderness, discharge, redness or odor from your dog's ears. If these signs develop, see your veterinarian.
Feed a Good Diet to Maintain Overall Health
Feeding a diet that is complete and balanced with high quality ingredients can go a long way towards keeping your dog healthy, including his ears.
If your dog is on a special diet because of a food allergy or food intolerance, try not to alter his diet any more than absolutely necessary.
Keep Your Dog Parasite-Free
A good diet will help your dog overcome disease related to some types of parasites. However, you still want to do everything you can to prevent both external and internal parasites, particularly those such as fleas which can contribute to skin and ear disease.
Learn more: Ear Infections in Dogs and Cats