For pet owners, the skin diseases of dogs and cats should not be underestimated. Understanding skin diseases will help pet owners better raise cats. The following Pet Guide Network will introduce to you the questions and answers to common skin diseases of dogs and cats.

How many types of skin diseases are there in dogs and cats?

Common clinical skin diseases can be roughly divided into 16 types. Common skin diseases include parasitic skin diseases, pyoderma, dermatomycosis, allergic dermatitis, immunodeficiency skin diseases, nutritional skin diseases, etc.

What are the common parasitic skin diseases?

Common parasitic skin diseases include: skin diseases caused by surface parasites such as fleas, lice, ticks, Demodex, scabies, and ear itch mites, hookworm larval dermatitis, and microfilarial dermatitis caused by Dirofilaria immitis. wait.

What is the mite disease that people often talk about?

According to the different pathogens and infection sites that cause the disease, it can be divided into:

1. Scabies is caused by the canine scabies mite of the genus Sarcoptes in the family Sarcoptidae in dogs, and by the dorsal anus feline mite of the genus Dorsal anus in cats;

2. Canine demodicosis is caused by the canine Demodex mite of the genus Demodex in the family Demodexidae;

3. Otoitch mites, dogs and cats are all caused by the ear itch mite.

What is canine scabies?

Canine scabies is a skin disease caused by canine scabies mites parasitizing in the skin of dogs. Can cause itching and hair loss in dogs. After mating, the female scabies mites burrow in the dog's epidermis and lay eggs in the holes. The eggs hatch into larvae; the larvae move to the epidermis, then burrow in the skin and become nymphs; the nymphs also burrow into the skin and dig tunnels. . So the itching is severe.

How to diagnose canine scabies?

Basis:

1. Clinical symptom examination of sick dogs with severe itching, erythema, papules, small nodules on the skin, no history of allergies, and no external parasites found;

2. Laboratory examination: Use a sterilized blunt scalpel at the junction of the diseased skin and healthy skin, and scrape the diseased material slightly off the side of the diseased skin. You must scrape until you can see a little blood. The scraped disease material is placed on a glass slide, and 50% glycerin water or 10% NaoH is added. The diagnosis can be confirmed by microscopic examination if the parasites are found.

What is canine demodicosis?

Canine demodicosis is a skin disease caused by the Demodex mite parasitizing the hair follicles and sebaceous glands of dogs. It is generally divided into two types, the desquamative type and the pustular type. The desquamative type mostly occurs on the skin of the head and limbs, often forming bald spots with hair loss, a large amount of bran-like dandruff, and mild itching.. The pustular type often occurs in the neck, chest, lower abdomen, and inner thighs where the hair is sparse. Commonly seen are rice or bean-sized pustules with obvious itching and foul odor.

What is ear itch in dogs and cats?

It is caused by the canine ear itch mite parasitic in the ears of dogs and cats. The disease can be spread directly through contact and is highly contagious. Dogs and cats can spread it to each other. Most cats have ear mites. It is common for dogs and cats to scratch their ears, shake their heads, and have brown discharge from their outer ears.

What is dog flea disease?

It is caused by the canine flea parasitizing on the surface of the dog's body. It is mostly parasitic on the lower back, tail root, rear abdomen and inside of the limbs of dogs. The bites suck blood and secrete toxins, causing severe itching, scratching, biting, dermatitis, and anemia in dogs.

What is seborrheic dermatitis? What are its symptoms?

Seborrheic dermatitis is a skin disease in which a large amount of dandruff is produced between the hairs of the skin due to abnormal keratinization of the skin and abnormal hypersecretion of the cortical glands. There are two types: dry and wet. Dry type, there are a lot of gray-white or silver dry scales in the coat, and the coat is sparse; wet type, the dander is oily and adheres to the coat, and there is a lot of oil or a lot of yellow-brown oil attached to the base of the tail, emitting a special putrid smell.

What is dermatomycosis?

The skin diseases caused by fungi that parasitize the coat, epidermis, and keratin tissue of the toes and claws of dogs and cats are collectively called dermatomycoses. Also called ringworm.

What are the characteristics of dermatomycosis?

There are clearly demarcated round spots of hair loss on the skin, and a large amount of dandruff is produced at the same time. The lesions include broken hair and hair loss; the itching is not obvious. It often occurs on the face, ears, toes, and trunk of dogs and cats.

What are the common causes of dermatophytosis in dogs and cats?

70% of the pathogens of canine mycosis are Microsporum canis, 20% are Microsporum gypsum, and 10% are Trichophyton mentagrophytes; 98% of the pathogens of cat mycosis are Microsporum canis, and the others each account for 1%.

How to diagnose dermatomycosis?

1. Clinical differential diagnosis and exclusion of other diseases;

2. Wood's lamp examination, use a Wood's lamp to illuminate the diseased hair. The green-yellow fluorescence indicates Microsporum canis infection;

3. Laboratory examination: The diagnosis can be confirmed if fungi are found. Method: Collect hair or dander from the edge of the diseased skin, place it on a slope, add a few drops of 10% to 20% potassium hydroxide solution, heat it slightly over a weak flame, wait until it becomes transparent, and cover it Glass slide, observed with low magnification.

What is allergic skin disease?

Dermatology is a skin disease in which animals are stimulated by internal and external factors, causing skin lesions. Common causative factors: mosquito bites, drugs (artificial drugs), chemicals in the environment (pollen, dust, etc.) and food.

What should we pay attention to when it comes to food allergy skin diseases?

Some dogs are allergic to beef, mutton and other foods, so you must pay attention to the following two points when feeding them: 1. Do not feed any food that can cause allergies, and do not feed them any snacks; 2. Use special prescription foods. Otherwise, the skin disease cannot be cured.

What is pyoderma?

Purulent skin disease caused by pyogenic bacteria infection. Usually caused by Staphylococcus, Streptococcus, Corynebacterium, and Pseudomonas aeruginosa infections. Treatment: Enhance the body's resistance and apply systemic and local antibiotics.

What is the relationship between dog breeds and skin diseases?

Affected by the dog’s physiological structure and genetic factors, clinical statistics have found that some breeds of dogs are susceptible to certain skin diseases. German shepherds, dachshunds, Pekingese dogs, Shar-Peis, and Maiden dogs are susceptible to Demodex; Irish wolfhounds and spurred hounds are susceptible to seborrheic dermatitis; Dalmatians are susceptible to scabies; Dachshunds, Lion dogs, pugs, etc. are susceptible to melanin epidermal hyperplasia.