Common Dog Allergies: Causes and Preventions

Common Dog Allergies: Causes and Preventions

Table of Contents

  1. Flea Allergy Dermatitis
  2. Causes
  3. Symptoms
  4. Treatment
  5. Environmental Allergies

1.Flea Allergy Dermatitis

Flea allergy dermatitis (FAD) is the main cause of dog allergic reactions. When your dog has an allergic reaction, your dog’s immune system overreacts or becomes oversensitive to normally harmless substances (called antigens).

2. Causes

FAD is a common cause of itching in dogs. Adult fleas must bite the dog and eat blood to reproduce. Fleas usually don’t stay on dogs, except for a few minutes or hours of feeding themselves. That’s why you don’t see live fleas on your dog unless there is a serious flea infection. When fleas eat, they inject a small amount of saliva into the skin. Antigens or proteins in saliva can trigger severe acute reactions in sensitive dogs.

3. Symptoms

When a flea bites your dog or cat to draw blood, saliva is injected into your pet’s skin. Flea saliva is irritating to most animals, including humans, but the compounds it contains can cause allergic reactions in some dogs. This is different from a flea allergy. If your pet has FAD, the itching can be intense and long-lasting. Your pet may itch for up to 2 weeks after being bitten, and the itching can be intense and can even damage your pet’s skin. 

Other signs of FAD include:

  • A rash on the dog’s skin.
  • Wet, inflamed, or bleeding parts of the dog‘s body. 
  • In dogs, it is usually located near the hind legs, stomach, or tail.
  • In cats, the neck and face are more common. 
  • Hair loss, especially at the flea’s bite site. 
  • Small red or pink bumps that look like acne. 
  • Constant itching, clawing, biting, or grooming.

 

4. Treatment

Don’t think that your dog or cat is not allergic to fleas because you can’t see them. Owning an animal usually demands continuous care. See your pet’s vet. They can remove fleas from the body, but allergic reactions to bites can last for several weeks. There are also a large number of effective products for allergic flea dermatitis to choose from. 

The Dermatitis Intradermal allergy test for dogs is similar to that for humans. A small number of common allergens are injected under the skin, and the veterinarian will look for allergic reactions to one or more of these allergens. Once the allergen is identified, the next step may be desensitization treatment, in which dogs are given small regular injections of drugs to desensitize the immune system. Treatment can last from six months to a year, and studies have shown that it is effective for dogs ranging from 60% to 70%.  You can also use over-the-counter sprays or creams to help relieve the itching symptoms.

 

5.Environmental Allergies

Environmental allergies are more common in dogs than cats and usually occur between 1 and 3 years of age. A reaction occurs when the dog’s immune system is particularly sensitive to a substance (including common substances). Dogs that are allergic to environmental allergies are usually genetically susceptible to these chronic diseases. In addition, some breeds are more susceptible to environmental dog allergies than others: Hounds, Dalmatians, Terriers, Boxers, Beagles, Shepherds, Bulldogs, and Irish Setters.

 

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