Scratching the ear in Dogs
When to visit the vet?
Non-urgent see a veterinarian within 2–3 days
ORANGE for severe ear pain, bloody/purulent discharge, significant swelling (aural hematoma), Fever/apathy, or neurological signs (head tilted to one side, ataxia, nystagmus) suspected otitis media/interna.
Unsure about what’s wrong with your pet? Feel free to use our Symptom Checker for more clarity
Definition
Scratching the ear in dogs is a common behavior that indicates the dog is experiencing an uncomfortable sensation or irritation in or around the ear. This behavior can range from mild discomfort to serious medical problems.
Can Occur with the Following Diseases:
- Eardrum Injury or Rupture in Dogs (Tympanic Membrane Trauma or Perforation)
- Middle Ear Inflammation in Dogs (Otitis Media)
- Inflamed Ear Canal in Dogs (Otitis Externa)
- Ear Blood Blister in Dogs (Aural Hematoma)
- Ear Mites in Dogs (Otodectes cynotis Infestation)
- Abnormal Skin Growth in the Middle Ear in Dogs (Cholesteatoma)
- Ear Inflammation Caused by Trapped Objects in Dogs (Foreign Body-Associated Otitis Externa)
- Acquired Deafness in Dogs (Acquired Anacusis)
- Ear Flap Cancer in Dogs (Auricular Squamous Cell Carcinoma)
- Ear Canal Tumors in Dogs (Ceruminous Gland Adenoma and Adenocarcinoma)
Basics and possible causes
Scratching the ear can be triggered by various factors affecting the outer ear, ear canal, or middle ear. A dog’s outer ear consists of the ear flap and the external ear canal, while the middle ear and inner ear are located deeper within the head. The ear is a sensitive organ that can be easily irritated by external influences or internal diseases.
One of the most common causes of itching and scratching the ear is an ear infection, also known as otitis. This can be caused by bacteria, yeasts, or parasites such as ear mites. Ear mites are tiny, parasitic insects that live in the ear and can cause inflammatory conditions and itching. Yeasts and bacteria often thrive in moist conditions and can multiply in dogs’ ears, especially in breeds with long, floppy ears.
Allergies are another common cause of ear problems in dogs. Dogs can be allergic to various substances, including pollen, dust mites, certain foods, or grooming products. These allergies can lead to an inflammatory reaction in the skin, which also affects the ears.
Other less common causes can include foreign bodies in the ear, such as grass awns, or tumors in the ear area. Hormonal disorders or autoimmune diseases can also affect the ear and cause itching.
Typical accompanying symptoms
- Discharge from the ear: An abnormal, often foul-smelling discharge from the ear can be a sign of an infection or the presence of ear mites.
- Redness and Swelling: A reddened and swollen ear flap or an inflamed ear canal indicates irritation or infection.
- Head shaking: Dogs who frequently shake their heads may be trying to relieve the itching or get rid of a foreign object.
- Odor: An unpleasant odor from the ear may indicate a bacterial or yeast infection.
- Frequent rubbing of the head: Dogs that rub their head on furniture or the floor may be trying to relieve the itching.
- Loss of balance: In severe cases, inflammation of the inner ear can affect the dog’s balance.
- Hearing loss: A reduced response to sounds or complete hearing loss can occur if the infection reaches the inner ear.
When to visit the vet?
A veterinarian should be consulted if scratching the ear persists for more than a few days or if other symptoms such as discharge from the ear, redness, swelling, or an unpleasant odor occur. These signs indicate an underlying infection or another serious problem that needs to be treated.
Even if the dog shows signs of pain, such as whining when the ear is touched or frequently holding its head tilted to one side, a visit to the veterinarian is urgently required. Pain and a head tilted to one side can indicate a deeper infection or a problem in the inner ear.
If the dog shows balance disorders or signs of disorientation, a veterinarian should be consulted immediately. These symptoms can indicate a serious inner ear condition that requires immediate treatment.
Symptom recognition for animal owners and veterinary diagnostic procedures
Pet owners can recognize the first signs of ear problems by regularly inspecting their dog’s ears. Look for redness, swelling, discharge from the ear, or an unpleasant odor. Behavioral changes such as frequent head shaking or scratching the ear should also be noted.
The veterinarian will perform a thorough examination of the ear, often using an otoscope. This instrument allows inspection of the ear canal and eardrum. If necessary, the veterinarian may take samples of ear discharge to test for bacteria, yeasts, or mites. These samples can be examined microscopically or sent to a laboratory for further analysis.
In some cases, an X-ray or other imaging examination may be necessary to better assess the extent of an infection or other problems in the ear.
The veterinarian will also assess the dog’s general health and may perform blood tests to rule out other underlying health problems that could be affecting the ear.
What can pet owners do and professional therapy options
As a first step, the pet owner should avoid cleaning or treating the dog’s ear themselves without first consulting a veterinarian, as this could worsen the situation. Improper cleaning can cause injuries or worsen an existing infection.
If the dog is uncomfortable, the owner can try to prevent it from scratching the affected ear or rubbing it to avoid further injury. A soft collar or Elizabethan collar can help prevent access to the ear.
It is important to follow the veterinarian’s instructions precisely when medications or special cleaning agents are prescribed. Regular application of prescribed drops or ointments can help fight the infection and relieve itching.
Additionally, the pet owner can try to keep the dog’s environment clean and dry to reduce the risk of ear infections. Dogs with long, floppy ears, in particular, should be thoroughly dried after bathing or swimming.
A balanced diet and avoiding allergens can also help prevent ear problems. If the dog suffers from allergies, the veterinarian may recommend special hypoallergenic foods or supplements.
Outlook on current research
Current research in veterinary medicine shows that scratching the ear in dogs is a common symptom that can indicate a variety of underlying problems. Studies have shown that allergies, both environmental and food-related, are among the most common causes. Recent developments in diagnostic methodology have led to veterinarians now being able to offer specific allergy tests that help identify the exact cause of itching and scratching. This has led to an improved treatment strategy tailored to the individual needs of the dog.
Another area of intensive research concerns the role of microorganisms in the dog’s ear. Studies have shown that an imbalance of bacteria and yeasts in the ear can lead to inflammatory conditions and itching. By applying DNA sequencing techniques, researchers have been able to create a detailed map of the microbial landscape in dogs’ ears, leading to more targeted treatment approaches. These approaches often involve the use of probiotics to restore the natural balance.
In behavioral research, scratching the ear is increasingly seen as an expression of stress or boredom. Scientists are working to recognize the subtle differences between pathological and behavioral causes. Research projects focusing on improving the quality of life for dogs through environmental enrichment and training show promising results. These projects aim to address not only the physical but also the psychological causes of scratching.
Another promising area of research involves the development of new topical treatments specifically aimed at relieving itching and inflammatory conditions. Many of these new products are based on natural ingredients such as oat extract and aloe vera, known for their soothing properties. Clinical studies show that these natural treatments are often as effective as their chemical counterparts, but with fewer side effects.
In summary, research into scratching the ear in dogs continues to advance, with a focus on both identifying specific causes and developing effective and gentle treatment strategies. By combining state-of-the-art diagnosis techniques and innovative therapies, it is increasingly possible to significantly improve the well-being and quality of life of dogs.