Dog Ear Infections

Preventing dog ear infections is easier than treating them, and it can save your pet a lot of misery.

Check your dog' ears weekly.

Why are Dog Ear Infections So Common?

The canine ear may be one of the most wondrous hearing devices ever designed, but that same design also makes it the perfect environment for spawning dog ear infections.

The main problem seems to be with the structure of the ear canal itself. The canal begins at the opening of a dog's ear, and takes an almost straight vertical drop, followed by a hard right angle that leads to the ear drum. Once moisture makes it's way into the canal, it has a difficult time drying out. Couple this with the fact that many breeds have quite a bit of hair growing in the opening region of the canal, and you get exactly the kind of dark, warm, moist environment where bacteria thrives.

As the bacteria population increases, pus painfully builds up within the canal. This is hard enough on your pet when only one ear is infected, but it's possible to have an infection in both ears, increasing your pet's misery.

Defining Ear Infections

Veterinarians define dog ear infections by the depth they occur within the ear. In general, the deeper the infection lies, the more severe it becomes because it is harder to reach for treatment.

• Otitis externa is the term used for infections located in the outer ear canal.
• Otitis media defines dog ear infections in the middle ear region.
• Otitis interna pertains to infections of the inner ear.

Symptoms

Reading your dog's body language will give you clues about how he's feeling. If you notice one or more of the following signs, it's time to pay your veterinarian a visit.

• Your dog paws at his ears a lot.
• He may also rub his head and ears against the ground, furniture, and anywhere else he thinks might bring some relief.
• Some dogs shake their heads quite a bit.
• The ear flaps may become red and somewhat swollen.
• The inside of the ear seems exceptionally moist and may contain brown material that looks similar to coffee grounds.
• You may notice a foul smell coming from your pet's ears.
• Your pet may hold his head tilted to one side, and his overall balance may be affected if the infection becomes severe.

Further Complications

Head shaking and rubbing sometimes causes a blood vessel in a dog's ears to burst. The blood that collects in the flap then develops into an aural hematoma, which is a type of blood clot. Minor clots may be left to heal on their own but larger ones may need to be surgically removed, and both process may leave scars on the affected flap.

Treatment

Treating dog ear infections is a mult-step process.

1. The canal of the infected ear must first be thoroughly cleaned before anything else can be done. This can include swabbing the canal, removing hair and other debris, and may even require flushing the canal out in order to remove excess waste and pus. Since dog ear infections are quite painful to your pet, it's usually best to let your vet take care of this as part of an office call.
2. Once the ear is as clean as possible, your vet will examine it to determine just how severe the infection is, and decide the best way to proceed with treatment.
3. In most cases, pet medication such as Panalog will be administered directly into the ear to treat the inner irritation that is causing so much discomfort. This treatement will be followed up with either an antibiotic injection or a course of oral antibiotics that you can give your pet at home.
4. In the most severe cases, surgery may be required to open the canal for cleaning and treatment because scar tissue can make the area unreachable.

Dealing with Chronic Ear Infections

Unfortunately, no matter how diligent an owner is about ear cleanings and medication, some dogs are prone to relapses and medication seems to have no effect. Cases like this are referred to as "chronic", and there are two commmon options for treatment.

• Your vet may choose to take a culture of the fluid in your pet's ears in order to diagnose and treat the exact organism causing the infection.
• Surgical removal of the affected ear canal may become necessary to eliminate the source of the infections if treatment with medications doesn't work.

When an Infection is Really an Infestation

Ear mites can easily take up residence in your dog's ears, and the symptoms of an infestation can be similar to those of an ear infection. In cases like this, your vet will still thoroughly clean out your dog's ears and then treat them with mite medication to kill the current population. Be prepared to continue the treatment at home for seven to ten days to make sure there are no recurrences.

Summary

As always, the best way to head off ear infections and mite infestations is to pay attention to the condition of your pet's ears. When you're familiar with the way your dog's ears look when they're healthy, you'll find it easier to notice unfavorable changes early on.

Weekly ear cleanings will help keep the canals free from debris and increase the amount of air flow to make the area less hospitable for opportunistic organisms.

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