Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Allergens
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Pollen, molds, dust mites, or animal dander cause most allergic rhinitis and trigger asthma attacks in some people. Plants make pollen. The pollens that can cause allergies are usually from trees, grasses, or weeds. These pollens are small, light,...
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Dust builds up throughout your home. The dust may contain substances that trigger asthma symptoms, such as wheezing or coughing, or another allergic reaction, such as the rash of atopic dermatitis or stuffy nose of allergic rhinitis. These substances are called allergens. Dust mites are another example of an allergen...
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Exposure to cockroaches may increase asthma symptoms. Cockroaches leave behind particles from their feces, eggs, and shells that can cause an allergic reaction. Cockroaches are a problem in many homes, especially in the southern part of the United States. Here are some steps you can take to remove cockroaches from your...
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Discusses ways to avoid indoor allergy triggers. Covers common indoor allergens such as dust mites and pet dander. Covers reasons to avoid them. Offers cleaning tips to reduce allergens in the home.
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Discusses ways to avoid indoor allergy triggers. Covers common indoor allergens such as dust mites and pet dander. Covers reasons to avoid them. Offers cleaning tips to reduce allergens in the home.
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Mold can get into a building through open doorways, windows, vents, and heating and air conditioning systems. Mold in the air outside can also attach itself to clothing, shoes, bags, and pets and can be carried indoors. Mold will grow in places that...
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Discusses ways to avoid indoor allergy triggers. Covers common indoor allergens such as dust mites and pet dander. Covers reasons to avoid them. Offers cleaning tips to reduce allergens in the home.
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All warm-blooded pets, such as cats, dogs, birds, and rodents, have dead skin cells (animal dander) and make urine or stool. These can all trigger asthma symptoms, such as wheezing or coughing, or another allergic reaction, such as the rash of...
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Allergic rhinitis causes symptoms of sneezing, congestion, and a runny nose. But you can control these symptoms with medicine and by avoiding the things that cause them ( allergens). If you are allergic to outdoor allergens, such as pollen and mold, you don't have to give up an outdoor life. You just need to know when...