Allergic dermatitis (AD) is a common skin disease in dogs. The overall cause of dog allergic dermatitis is a decline in the function of the dog's immune system, and the specific trigger may be a variety of substances such as worms, mold, dust, sunlight, chemicals and other substances that cause dog skin allergies. Symptoms of allergies in dogs usually show blotchy or swollen skin, sometimes dandruff, and poor coat quality or hair loss.
Causes of Allergic Dermatitis In Dogs
Food-induced allergic dermatitisMany owners spoil their dogs, often accustomed to feeding a variety of dog cans, dog snacks, and more human food, resulting in puppies do not like to eat dog food. Especially as omnivorous animals, if you support a single type of meat, it will not only cause obesity, but also make the cuticle of the skin aging in advance and fall off, the skin can not moisturize, resulting in imbalance of water and oil, and excessive oil secretion. And more serious situation is, some proteins are not suitable for puppy intake, food intake can cause skin allergies.
Allergic dermatitis caused by sun exposure
The dog's skin structure is very thin, and its cuticle is only 7 to 10 layers, so healthy hair is to help the dog resist the invasion of various microorganisms on the skin. Dogs' body hair can help to absorb and reflect light and protect against UV rays. However, dogs are often shaved in the summer, when the sun is full and UV rays are very high, which can irritate your dog's skin. When it is serious, it will cause redness and itching of the skin. When the dog feels uncomfortable, it will naturally scratch and lick these parts, resulting in more serious physical damage, and many will cause secondary infection of bacteria.
Allergic dermatitis caused by ectoparasites
Parasites can easily cause allergic dermatitis in dogs. Common parasites are: lice, dog ticks, fleas, mites and so on. Lice can easily cause itching in dogs, and can cause hair loss, eczema, blisters, pustules, etc. Dog ticks have strong blood sucking ability and are usually attached to the dog's head, ears and toes. After blood sucking, the tick body can expand dozens of times, which is easy to cause inflammation in the dog's skin. Fleas often parasitise the dog's waist, abdomen and inner limbs, survive by sucking the dog's blood, and secrete toxins, which can easily cause itchy skin, hair loss and allergic dermatitis.
Inappropriate body surface contact
These allergens are more special and individual, such as pet perfume, clothing fabrics, household disinfectants, overheated beauty razor, some external medicine and so on, when these will cause allergic items appear, the dog contact, there may be scratching phenomenon, some will also appear symptoms of redness and swelling under the eyes, generally no secondary disease.
Allergic Dermatitis In Dogs Symptoms
The main manifestations of the dogs were severe itching, erythema and swelling, and some showed papules, scales and depilation. Long course of the disease may appear pigmentation, skin thickening and the formation of moss and wrinkles. In chronic disease dogs, itching is mild or disappears, but some have a course of more than a year.Diagnostic criteria For Allergic Dermatitis In Dogs
Bacterial allergies must be confirmed by laboratory diagnosis. Pruritus causes animals to scratch their skin, causing secondary bacterial dermatoses. The diagnosis of allergic skin diseases requires immunological diagnostic tests for allergens.Allergic Dermatitis In Dogs Treatment
1, food induced allergic dermatitis choose the prescription of low-allergy food/allergy control food, at least for more than a month, usually basically will be improved.2, allergic dermatitis caused by sun exposure do not shave the dog's hair, according to the amount of hair appropriate trim hair, hair sparse short hair dog, let its natural shedding is the best.
3. Ectoparasite-induced allergic dermatitis is first removed from the dog's body, and then antipruritic antihistamines, anti-inflammatory steroids, anti-allergy drugs or anti-pruritic anti-inflammatory drugs are used. The most important way to deal with parasites is to do a good job of dog hygiene, regularly deworming the dog, and let the dog go to the place with dense plants.
4, improper surface contact caused by allergic dermatitis usually keep the dog away from contact, allergic symptoms will soon be better. But if the dog is still allergic after 3 hours, or the condition is more serious, it is recommended to take the dog to the hospital immediately, so that the pet doctor can diagnose and treat it.
