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Signs & Symptoms of Human Pet Allergies

An allergy refers to an immune response to a foreign substance, called an allergen, that is not harmful. 15 to 30 percent of people with allergies are allergic to pets, according to the Asthma and Allergy Foundation of America. Pet allergies can also cause asthma attacks or chronic asthma. People with pet allergies are reacting to proteins in animal fur, saliva, skin and urine. Cats and dogs represent the most common causes of pet allergies, although any pet with fur or feathers can cause an allergic reaction. Symptoms of an allergic reaction may appear from 30 minutes to several hours after exposure.

  1. Nasal Irritation

    • Allergic reactions to pets often inflame the nasal passages. This may cause a runny nose, sneezing, nasal congestion, coughing and sometimes an itchy nose or mouth. Eyes may become swollen, itchy or inflamed when allergens contact the membranes of the eyes. Postnasal drip may also develop. Children with pet allergies often rub their noses in an upward motion, according to the Mayo Clinic.

      Since symptoms of an allergic reaction are similar to cold symptoms, wait a week before contacting your doctor for allergy testing. The best treatment is to avoid animals that cause allergic reactions but keeping pets out of the bedroom and using a quality air filter also reduces symptoms.

    Facial Pressure

    • Pet allergies sometimes also cause facial pressure or pain from inflamed sinuses. In addition, skin under the eyes may appear blue or swollen. Contact a doctor if you experience severe facial pain.

    Breathing Problems

    • Pet allergies cause breathing problems in people who have asthma or are highly sensitive to tiny airborne particles of pet dander. For example, you may experience chest tightness, difficulty breathing or trouble sleeping. You may also hear a whistling sound when you exhale. These reactions sometimes appear quickly, within 15 to 30 minutes of exposure, although they may also develop later. Seek emergency medical care if you have severe wheezing or shortness of breath or if your wheezing quickly gets worse.

    Skin Irritation

    • Pet allergies may cause skin irritation, usually itchy skin or hives. Areas that have been exposed to pet scratches or licks often become irritated, according to the Asthma and Allergy Foundation of America. Hives appear as raised patches of red skin. They may occur on the area of skin that came in contact with allergens or on your face, neck and upper chest. See a doctor if you have hives.

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