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is an eczematous itchy skin disease of dogs and cats. For both of these domestic species, flea allergy dermatitis is the most common cause of skin disease. Affected animals develop allergic reactions to chemicals in flea saliva. Symptoms of this reaction include erythema (redness), papules (bumps),
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The diagnosis of flea allergy dermatitis is complicated by the grooming habits of pets. Cats in particular are very efficient at grooming out fleas, often removing any evidence of infestation. Fleas begin biting within 5 minutes of finding a host, and there are no flea treatments that kill fleas
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The aim of treatment is to relieve the allergy-induced itch and to remove the fleas from the pet and its home environment. In some cases, secondary bacterial or yeast infections will also need treatment before the itching subsides. The administration of oral or topical flea prevention is also
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Environmental flea control includes using flea foggers or bombs, vacuuming, and treating pet bedding by washing on a hot cycle (over 60 degrees
Celsius) in the washing machine.
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Many pets with flea allergy dermatitis may also have other allergies, such as allergies to food, contact allergies, and atopic dermatitis.
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Sousa, CA (2010). "Chapter 21: Fleas, flea allergy, and flea control". In
Ettinger, SJ; Feldman, EC (eds.).
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pustules (pus-filled bumps), and crusts (scabs). If severe, hair loss will occur in the affected area.
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The flea found most commonly on both dogs and cats with a flea infestation is the cat flea,
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Dryden, MW; Rust, MK (March 1994). "The cat flea: biology, ecology and control".
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with flea allergy dermatitis may develop a variety of skin problems, including
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skin rash on the lower back, upper tail, neck, and down the back of the legs.
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Dog with flea allergy dermatitis and secondary folliculitis
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with flea allergy dermatitis often show hair loss and
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137:"Flea Allergy Dermatitis in Cats and Dogs"
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168:Textbook of veterinary internal medicine
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233:"Flea Allergy Dermatitis in Dogs"
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211:10.1016/0304-4017(94)90031-0
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55:from excessive grooming.
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199:Veterinary parasitology
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86:Further information:
66:Ctenocephalides felis
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109:Dog skin disorders
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120:References
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73:Diagnosis
103:See also
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