What Can Cause Appearance of Blood in Ear in Dog?


It is possible to detect blood in a dog’s ear at any age, regardless of whether it is active or not. There are several pathology at once, due to which discharge, plaque, crusts, growths and even blood may appear in the ears.

The degree of danger is determined individually after a thorough examination of the animal with an otoscope and diagnostic measures (biopsy, cytology, microscopy), which are determined by a veterinarian.

Not in all cases, the appearance of blood in the ears of the dog indicates the presence of any disease. Concomitant symptoms, physical examination and diagnostic measures can help determine the exact cause:

Foreign Body

blood in ear in dog

It is very common in hunting breeds that spend a lot of time in forests and tall grass. A needle from a coniferous tree, a thorn from a weed or the edge of a sharp branch can act as a foreign body. Due to the structure of the ear in such dogs, blood can not be noticed immediately. If you do not remove the splinter and do not treat the affected area with an antiseptic solution, there is a high probability of developing an inflammatory and suppurative process.

In severe cases, a large abscess may form and the ear may swell. In such cases, surgical intervention is indispensable, since it is necessary to open the abscess, cleanse of pus, apply drainage and disinfect the wound.

In domestic animals, this problem is much less common, mainly in the summer after walking in the forest or tall weeds.


The most common cause of clotted blood in a dog’s ear. Your dog can get injured after a skirmish or playing with relatives. This could be a deep cut from a tooth or claw. Most of these wounds heal on their own, but they require antiseptic treatment to prevent infection.

In the presence of deep wounds and persistent bleeding, surgical intervention (suturing of the lesion) may be necessary.


It is rarely found inside the auricles, but when it appears, it can cause a lot of discomfort. Bleeds only after injury.

During growth, it can irritate the dog, which tries to “scratch” it out of the ear opening, which inevitably leads to injury and bleeding.

There is also a relatively small risk (about 10%) of transformation of papillomas into malignant tumors.


bleeding in ears in dog

The most unpleasant thing, because of what the dog may have blood in the ear. Ticks very often dig inside the auricle and you can only notice them when they have already reached the size of a good pea or the pet’s behavior has changed. This can manifest itself in tilting the head to one side, shaking, trying to “scrach out” something from their ear. In rare cases, the ticks themselves disappear or the animal manages to pluck it.

The intervention of the owner or veterinarian is almost always required. The tick can be pulled out on its own using special pincers that hook it under the head and gently twist it. They are sold in every veterinary store, are inexpensive, and will always come in handy in the first aid kit of every dog breeder. After removing the tick, blood may flow in this place and a slight swelling may form.

After a bite, you need to carefully monitor the behavior of your pet and in case of even the slightest signs of lethargy, apathy or strange behavior, immediately seek help from a veterinarian. Blood during urination, vomiting and diarrhea are also considered alarming symptoms.


bleeding from dog's ear

It has many varieties. Symptoms and course depend on the root cause that provoked otitis media.

Most often these are allergies, parasites, tick activity, or a tumor process. We are interested in inflammatory otitis media, in which ulcers are often formed. Most often caused by food allergies.

Clotted blood from ulcers may be present in various places in the ear. Suppurative otitis media can also cause blood clots in the ear canal. And it is usually caused by a foreign body entering the ear.

For an accurate diagnosis, it is necessary to conduct an external examination, otoscopy and cytological examination of scrapings from the auricle.


Usually occurs in dogs after 10 years of life. Malignant tumors often ulcerate and bleed. In young individuals, histiocytoma, a benign mass that manifests itself as a soft lump inside the ear, is considered common.

In most cases, it goes away on its own within 2-3 months. In any case, cytology and exclusion of a malignant course are required. In the case of confirmation of the presence of a malignant neoplasm, removal (tumor or ear canal) is mandatory.

Chemotherapy is prescribed individually, based on the prevalence of the process and general symptoms.

Of all the above, the master of the dog must understand that even otitis media cannot be unreasonable, therefore the presence of blood in the ear is considered a good reason for examination by a dermatologist.

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