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Ear Infection in Dogs
Outer ear infection in dogs (otitis externa) is a common problem, especially for pets with long floppy ears. This page looks at the symptoms, some
common causes, and treatment of canine ear infections. Natural remedies are effective in treating dog ear infections. Read on and find out more!
Dogs' ear canals are L-shaped. This shape helps prevent damage to the eardrum. However, because of this shape, it is extremely easy for the ears to trap moisture, debris,
and parasites. The end result? A high chance for dogs to develop ear infections.
Although some dog breeds are more likely to get ear infections than others, any dog can develop an ear infection. According to veterinarians, dog ear infections are
one of the most common ailments that affect dogs every year.
A telltale sign of your dog developing an outer ear infection (otitis externa) is constant head shaking and you will notice a bad odor coming from the
dog's ears. Prompt treatment is necessary to prevent the condition from worsening into middle ear infection or even inner ear infection, which sometimes can cause
irreparable damage to the dog's hearing.
Common Causes of Ear Infection in Dogs
Like any other diseases, prevention is the key. To prevent ear infection in dogs, we need to know the various possible causes and then we can do our utmost to
eliminate such causes. Here are some common causes of ear infection in dogs:
Allergies
Many veterinarians have indicated that a majority of dog ear infections are linked to
allergies (food, environmental pollutants, etc.).
Bacteria and yeast
Very often, ear infections occur when bacteria and yeast on the skin work their way into a weakened ear canal. The canal may have become weakened due to a number of
reasons, for example:
- The dog's ears have become wet (from bathing, or from a swim) but were not properly dried.
- The dog is suffering from allergies caused by medication or foods.
- The dog has skin allergies, such as canine atopy.
- The dog's ear has become injured from a scratch, insect bite or from various other causes.
Any of these reasons can weaken the dog ear's defense mechanisms, resulting in an ear infection.
Dog Ear Mites
Ear mites may also cause outer ear infection in dogs. They are more common in cats than dogs.
However, some dogs seem to be extremely sensitive to mites and as such the incessant scratching may severely traumatize the affected ear.
Foreign bodies
Foreign bodies such as foxtails can stick to long floppy ears while Fido is out enjoying a nice long walk. Understandably, the presence of such foreign bodies can cause
irritation to the dog's ears. So when you groom your dog after a walk in the woods, be sure to check the ears, too. If you see foxtails deep down in the ear, do not try to
pull them out yourself. You may damage your dog's ear. Seek immediate help from your veterinarian instead.
Hormonal Imbalance
Deficiencies or excesses of various hormones can result in dog ear problems. One example is thyroid hormone. Dogs suffering from
hypothyroidism may also suffer from ear infection. It is important therefore to tackle the
root problem (in this case hormonal abnormalities) and not just the ear infection.
Other Health Problems
Other health problems that may cause canine ear infections include autoimmune
diseases and, occasionally, tumors or polyps.
Certain Dog Breeds
Certain dog breeds are predisposed to ear infections. For example,
- Dogs with floppy-ears (e.g. cocker spaniels, retrievers)
- Dogs with narrow ear canals (e.g. shar peis, chow chows)
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Common Symptoms of Dog Ear Infections
A dog with an ear infection usually shows the following signs:
- Reddening of the ear canal
- Excessive scratching and rubbing of the affected ear
- Head shaking
- Pain, sensitive, sometimes swollen ear
- Thick wax build-up
- Smelly dog ears caused by brown or black discharge from ear
- Whinning or crying when ear is touched
If your dog shows the following symptoms, it is an indication that the ear infection has gone further down to the middle or inner ear and immediate veterinary care
is necessary:
- The dog holds his head still, to one side
- Opening his mouth or touching his head will cause him pain
- The dog becomes dizzy, loses coordination
- Vomiting may occur
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Diagnosis and Treatment of an Ear Infection in Dogs
Before trying any treatment for dog ear infection, it is important that a proper diagnosis is obtained from a vet. Make sure, for example, that there are no foreign bodies
buried inside your dog's ear. Brown waxy debris and other signs of infection could be caused by bacteria, by a fungus, or by ear mites. Without knowing exactly the
underlying cause, it is like shooting in the dark and over time the infection will be sure to worsen. Appropriate treatment can only begin after a vet makes an accurate
diagnosis.
Diagnosis is by physically examining the ear. Your vet will also likely do a swap whereby a sample from the ear is taken and examined under the microscope to look for
organisms such as mites, yeast and/or bacteria. In addition, a culture will be taken from the ear and sent to the laboratory to culture the bacteria to ascertain the
exact type of bacteria we are dealing with.
Conventional treatment of an ear infection in dogs involves flushing and cleaning out the ear and the use of topical and oral antibiotics or antifungal medications to kill
off the bacteria or yeast, along with anti-inflammatories such as corticosteroids to stop the inflammation and irritations such as itching.
Ear Infection in Dogs and Candida
If your dog suffers from recurring ear infections, it is possible that the underlying cause of the infections is Candida - a single-celled organism that causes
yeast infections in dogs. To get rid of the recurring ear infections, therefore, the root cause (Candida) has to be eliminated. Visit our pages on
dog yeast infections and
natural dog candida remedies for more information on this topic.
If you prefer a natural approach in treating your dog's ear infection, please visit Natural
Remedies for Dog Ear Infections for suggestions.
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Preventing Ear Infection in Dogs
Here are some tips to prevent ear infection in dogs:
- Feed your dog a natural diet with proper
supplements and vitamins.
- Strengthen your dog's immune system using natural supplements, such as
Only Natural Pet Immune Balance Capsules.

- Keep water out of your dog's ears as it tends to be a breeding ground for bacteria.
- Trim the hairs inside your dog's ears.
- Make it a point to check your dog's ears once a week for signs of infection and be prepared to act quickly in case of infection.
- Clean your dog's ears regularly.
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Want to know more about how to take care of dogs with long ears such as Cocker Spaniels? Visit
About Cocker Spaniels.
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