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Allergic reactions can be caused by a variety of different causes. These causes can include but are not limited to insect bites, vaccinations, atmospheric contaminants and medications. Generally, food allergies are not a cause for these types of allergic reactions in veterinary patients. Unfortunately, there are no good tests to determine the underlying cause of these reactions.

Clinical signs can include:

  • redness
  • hives
  • facial swelling
  • Pruritus (itchiness) of the muzzle, eyes, eyelids, nose and ears.

In severe cases, generalized hives, facial swelling and edema as well as respiratory or breathing difficulties can be seen.  If your pet starts to show clinical signs of an allergic reaction contact your family veterinarian or see an emergency facility.  Most times, animals require injectable drugs to help stop the allergic reaction.