Photo By: Sandra Mitchell, DVM How Does the Vet Diagnose a Flea Allergy in Dogs? The licking and chewing can also cause ongoing moisture that can lead to yeast and bacterial infections. When a dog scratches, licks, and chews, it breaks the skin barrier and can cause open sores and scabs. The hair loss can spread all over the body, up to the head and neck if left untreated. If you see itching in your dog, and it leads to hair loss on the middle of the back to the tail base, you need to think flea allergy dermatitis. When dogs feel flea bites, they often chew and bite at their rear by their tail and/or jump up from a resting position. Even one flea bite can cause this allergic reaction. You may not see the fleas right away, but you will see the evidence of the allergic reaction. Fleas can live indoors as eggs, larvae, and pupae, and pets and humans can also bring fleas inside. Another misconception is that fleas can’t come inside your house. Just because you don’t see the fleas, it does not mean they aren’t there.Ī common misconception is that fleas are only a concern during warmer months. Some dogs have an immediate hypersensitivity to it within 15 minutes, while others have a delayed reaction that takes 24-48 hours.ĭogs with atopic dermatitis are more likely predisposed to developing flea allergy dermatitis (FAD). It also contains histamine-like compounds that trigger a release from the dog’s immune system.įlea saliva can cause an inflammatory reaction in animals that are sensitive to it. This saliva contains enzymes, peptides, and amino acids. 2 When a flea feeds, it injects its saliva into your dog’s skin. What Is Flea Allergy Dermatitis in Dogs?įleas take their first blood meal on the host (your dog) within minutes of contact. Here’s what you need to know about flea allergies in dogs-from how they start to treatment and prevention. However, it is preventable and treatable. It can be a very frustrating condition for you and a very uncomfortable condition for your dog. A study has shown a 13% increase in FAD in dogs over the last decade. Flea allergy dermatitis (known as FAD) is the most common dermatologic disease in domestic dogs in the United States. Fleas are the most common external parasite found on dogs and cats worldwide.
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