Identifying Dog Allergy Symptoms

Dog allergy symptoms can be hard to recognize, especially since dogs can suffer from allergies to a range of substances. Here are some tips on how to recognize dog allergy symptoms.

Seasonal Allergy Symptoms

Seasonal allergies occur for three or four weeks during the spring and fall, and then disappear on their own. Seasonal allergy symptoms include:

  • Sneezing
  • Coughing
  • Watery eyes
  • Parasite Allergies

Parasite allergies include allergies to flea and tick bites, which may worsen in the summer season. Symptoms include:

  • Itching
  • Chewing
  • Biting of the tail, stomach and inner legs
  • Inflammation
  • Hair loss

Food Allergies

Food allergies result from an ingredient in the food affecting the dog's immune system.

Food allergy symptoms include:

  • Diarrhea
  • Vomiting
  • Itchy skin
  • Excessive scratching
  • Hot spots and skin infections
  • Chronic or recurrent ear infections
  • Hair loss

Contact Allergies

Contact allergies result from a part of the dog's exterior body coming into contact with something.

Symptoms of contact allergies in dogs include:

  • Hives
  • Rashes
  • Blisters
  • Darkening or thickening of the skin