Ongoing (chronic) inflammation of tissues in the nasal passages caused by pet allergy can obstruct the hollow cavities connected to your nasal passages (sinuses). Some studies have found that children who live with a dog in the first year of life may have better resistance to upper respiratory infections during childhood than kids who don't have a dog at that age. However, you're more likely to develop a pet allergy if allergies or asthma runs in your family.īeing exposed to pets at an early age may help you avoid pet allergies. Pet allergy is rarely caused by animals that don't have fur, such as fish and reptiles. Rabbit allergens are present in dander, hair and saliva. Dust from litter or sawdust in the bottom of cages may contribute to airborne allergens from rodents. Allergens from rodents are usually present in hair, dander, saliva and urine. Rodent pets include mice, gerbils, hamsters and guinea pigs. So-called hypoallergenic cats and dogs may shed less fur than shedding types, but no breed is truly hypoallergenic. Pet saliva can stick to carpets, bedding, furniture and clothing. It also collects easily in upholstered furniture and sticks to your clothes. Dander is a particular problem because it is very small and can remain airborne for long periods of time with the slightest bit of air circulation. Cats and dogsĪllergens from cats and dogs are found in skin cells the animals shed (dander), as well as in their saliva, urine and sweat and on their fur. Prolonged or regular exposure to the allergen can cause the ongoing (chronic) airway inflammation associated with asthma. When you inhale the allergen or come into contact with it, your immune system responds and produces an inflammatory response in your nasal passages or lungs. When you have allergies, your immune system makes antibodies that identify your particular allergen as something harmful, even though it isn't. These antibodies protect you from unwanted invaders that could make you sick or cause an infection. Your immune system produces proteins known as antibodies. Seek emergency care if wheezing or shortness of breath rapidly worsens or if you are short of breath with minimal activity.Īllergies occur when your immune system reacts to a foreign substance such as pollen, mold or pet dander. If your signs and symptoms are severe - with nasal passages feeling completely blocked and difficulty sleeping or wheezing - call your doctor. If symptoms persist for more than two weeks, you might have an allergy. Sometimes it's difficult to know whether you have a cold or an allergy. Some signs and symptoms of pet allergy, such as a runny nose or sneezing, are similar to those of the common cold. Direct contact with an allergy-causing pet may trigger allergic dermatitis, causing signs and symptoms, such as: This type of dermatitis is an immune system reaction that causes skin inflammation. Some people with pet allergy may also experience skin symptoms, a pattern known as allergic dermatitis. Trouble sleeping caused by shortness of breath, coughing or wheezing.Audible whistling or wheezing sound when exhaling.If your pet allergy contributes to asthma, you may also experience: In a child, frequent upward rubbing of the nose.Swollen, blue-colored skin under your eyes.Pet allergy signs and symptoms caused by inflammation of nasal passages include:
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