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The hot spot in dogs

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The hot spot in dogs

A hot spot is a hairless, highly inflamed, moist, suppurative lesion that appears very quickly in dogs (within hours). It is formed secondarily to lesions that the dog inflicts by scratching or licking. Most often, itchiness caused by flea bite allergy dermatitis (DAPP) is what causes a hot spot.

The hot spot is also called pyotraumatic dermatitis. It’s a skin condition that appears so brutal and that evolves quickly in 24 to 36 hours. The lesions progress from a small area where dogs begin to scratch or lick.

The breeds with thick coats and provided are predisposed like dogs of the Husky, German Shepherd, Bernese Mountain Dog, Labrador breed… Pyotraumatic dermatitis is encountered especially in wet weather. They are most often secondary to a flea bite allergy dermatitis in dogs (FAD). But any factor responsible for significant itching in dogs can be responsible for the appearance of a hot spot:

  • other external parasites than fleas: body scabies, demodicosis, etc.
  • allergies: DAPP, food allergy, atopy, contact allergy
  • disorders of the anal glands: engorgement or abscess
  • ear infections
  • grooming and shearing of hairs: in poodles in particular
  • skin infection (pyoderma)
  • etc …

For more details, do not hesitate to read our advice sheet on itching in dogs.

The hot-spot results in a hairless area, red, oozing, suppurative which extends to the periphery. Most often there is onlya single lesion which measures between 2 and 10 cm. It can be strongly smelly. They scratch the dog a lot and they can be very painful. Most often, hot-spot lesions are encountered on the lower back, at the tip of the buttock, on the thighs, at the base of the tail (itching during DAPP being mainly localized at the dorsal triangle). lumbar (lower back)).

More rarely, the lesions can be located in other places if other causes of itching are involved: under the tail during disorders of the anal glands, on the head during ear infections, etc.

Treatment consists of mow the animal then to cleanse the lesion often covered with pus, scabs and hair. This can be very painful for the dog, sedation is often necessary.

of the local treatments are also in place. The veterinarian can also set up treatments by general route, it depends on the extent of the lesions. Wearing a collar may be necessary to prevent the dog from scratching and making the lesions worse.

The treatment of the underlying cause is also essential to avoid recurrences. Effective flea control is very important throughout the year to prevent itching from flea bites.

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