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Flea Allergy Dermatitis in Cats(FAD)

Dermatitis caused by hypersensitivity to allergens in flea saliva. Even a single flea bite can trigger severe symptoms in sensitized cats.

Vet Supervised

Symptoms

  • Intense itching
  • Hair loss on back to tail base
  • Miliary dermatitis
  • Excessive grooming
  • Skin scabs

Related Symptom Pages

Causes

  • Allergic reaction to flea saliva
  • Flea infestation

Diagnosis

1

Clinical symptom evaluation

2

Detection of fleas or flea feces

3

Intradermal testing

4

Differential diagnosis (distinguishing from other allergies)

Treatment

  • Complete flea elimination
  • Environmental flea control
  • Anti-inflammatory drugs/steroids
  • Antihistamines

Prognosis

Prognosis is excellent with complete flea elimination. Symptoms recur with re-infestation.

Severity: Low

Prevention

  • Year-round flea prevention medication
  • Indoor flea control
  • Regular brushing for early detection

Epidemiology

Age Range

All ages

Prevalence

One of the most common causes of feline skin disease

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