Otitis externa in animals is a common ear infection that affects the outer ear canal. It's usually caused by bacterial or fungal infections, which can spread to the ear canal through skin irritation, allergies, or water exposure.
The symptoms of otitis externa can vary depending on the severity of the infection, but common signs include head shaking, scratching, and discharge from the ear canal. In severe cases, the animal may show signs of pain, such as whining or avoiding the affected ear.
If left untreated, otitis externa can lead to serious complications, including abscesses, eardrum damage, and even meningitis. It's essential to seek veterinary care if you suspect your pet has otitis externa.
Treatment for otitis externa typically involves antibiotics or antifungal medications to clear the infection, as well as ear cleaning and drying to prevent further irritation.
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What is Otitis Externa?
Otitis externa is a common ear infection in animals that affects the outer ear canal. It's also known as swimmer's ear, but it's not just limited to swimmers.
The ear canal is a narrow tube that connects the outer ear to the eardrum. In otitis externa, the ear canal becomes inflamed and infected, leading to symptoms like itching, redness, and discharge.
Indications of What?
Ear mites can cause several signs, including a black discharge, scratching, and head shaking. However, ear mite infections are more common in puppies and kittens.
Ear mites create an environment within the ear canal that often leads to a secondary bacterial or fungal infection.
A black discharge is one of the signs that can indicate an ear mite infection.
Adult dogs may occasionally contract ear mites from infected puppies or cats.
Head shaking is another common sign of ear mites.
Ear infections can be caused by several kinds of bacteria and at least one type of fungus that commonly cause ear infections.
Knowing the type of infection present can better direct medication choice for the most effective treatment.
A thorough ear examination by your veterinarian is necessary to ensure the eardrum is intact, as a rupture can only be detected by this examination.
Ear mites are more common in puppies and kittens, but adult dogs can also be affected.
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Otitis Externa
Otitis Externa is a common ear infection that affects the outer ear canal. It's also known as swimmer's ear.
The ear canal is a warm, moist environment that's perfect for bacterial growth. This is why otitis externa often occurs after swimming or showering.
The symptoms of otitis externa can be quite painful, including itching, redness, and swelling of the ear canal.
Antibiotic eardrops are often prescribed to treat otitis externa, especially if the infection is caused by bacteria.
Treatment and Care
Your veterinarian will need to identify and correct any underlying causes to treat otitis externa, and manage any pain that comes with it.
The area around the ear is usually clipped of fur to improve cleaning and treatment of the ears.
Your veterinarian may recommend removal of the hair in the ear canals, a painful procedure usually done under anesthesia.
Proper cleaning requires general anesthesia in animals with painful ears.
Your veterinarian will probably clean the ears gently and then dry them before treatment is started.
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Follow your veterinarian's advice on cleaning ears at home, as many will recommend waiting until after a recheck appointment.
Most topical ear medications contain a combination of antibiotics, antifungal drugs, and glucocorticoids.
Your veterinarian will prescribe one that is suitable.
Irritating medications, such as home remedies and vinegar dilutions, should be avoided.
Antibacterial drugs in combination with corticosteroids may be used to reduce discharges, pain, and swelling, and to decrease glandular secretions.
Treatment should continue until the infection is completely gone, which can take 2 to 4 weeks for most cases.
Follow your veterinarian’s recommended treatment program carefully and fully for the best result for your pet.
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Ear Care
Regular ear inspections are crucial to catch any unusual changes in your dog's ears early on. This can help prevent inflammation of the outer ear.
Preventing moisture buildup in your dog's ears is key to reducing the risk of bacterial or fungal infections. This can be achieved by drying the ears thoroughly after swimming or bathing.
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Your veterinarian can show you how to properly clean your dog's ears, if necessary. They can also advise on the frequency of cleaning, which may decrease over time from daily to once or twice weekly.
Keeping the ear canals dry and well-ventilated is essential. This can be done by using drying agents in the ears of dogs that swim frequently and preventing water from entering the ear canals during bathing.
In some cases, clipping or plucking hair from the inside of the pinna and around the ear canal may improve ventilation and decrease humidity in the ears. However, it's essential to check with your veterinarian before doing this, as it can lead to inflammation if not done correctly.
Frequently Asked Questions
What dog breeds get otitis externa?
Dogs with large, floppy, or hairy ears are more susceptible to otitis externa, but any breed can be affected
Sources
- https://www.wikiwand.com/en/Otitis_externa_in_animals
- https://www.mdpi.com/2076-2607/11/11/2650
- https://vcahospitals.com/know-your-pet/ear-infections-in-dogs-otitis-externa
- https://www.acvs.org/small-animal/otitis-externa/
- https://www.merckvetmanual.com/dog-owners/ear-disorders-of-dogs/ear-infections-and-otitis-externa-in-dogs
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