Dog Allergies: Complete Guide

Allergies are one of the most common reasons for vet visits. Here’s how to identify and address them.

Types of Dog Allergies

Flea Allergy Dermatitis

  • Caused by flea saliva
  • Just one bite triggers intense itching
  • Usually affects back, tail, and hind legs

Environmental Allergies

  • Pollen, mold, dust mites
  • Seasonal or year-round
  • Affects paws, face, belly, ears

Food Allergies

  • Usually protein sources
  • Chicken, beef, dairy, wheat common culprits
  • Causes skin and digestive symptoms

Warning Signs

  • Constant scratching or biting
  • Red, inflamed skin
  • Hot spots (localized irritation)
  • Ear infections (recurring)
  • Paw licking
  • Hives or facial swelling
  • Vomiting or diarrhea

Diagnosis Process

  1. Vet exam
  2. Elimination diet trial (8-12 weeks)
  3. Skin or blood testing for environmental allergens

Treatment Options

  • Allergy medications (antihistamines, steroids)
  • Apoquel or Cytopoint (prescription)
  • Allergy shots (immunotherapy)
  • Special diets (prescription or limited ingredient)
  • Flea prevention (year-round)

At-Home Management

  • Regular bathing removes allergens from coat
  • Wipe paws after walks
  • HEPA air purifiers help
  • Wash bedding weekly
  • Vacuum frequently