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Hypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis (EAA) is a syndrome caused by the repetitive inhalation of antigens from the environment in susceptible or sensitized people. [ 1 ] [ 2 ] Common antigens include molds, bacteria, bird droppings, bird feathers, agricultural dusts, bioaerosols and chemicals from paints or plastics ...
“This means you can ‘stack’ minor, otherwise inconsequential allergic reactions together with seasonal pollen and allergens that can cause an increase in allergy symptoms,” continues Dr ...
Bronchitis can be acute or chronic. [1] Acute bronchitis usually has a cough that lasts around three weeks, [4] and is also known as a chest cold. [5] In more than 90% of cases, the cause is a viral infection. [4] These viruses may be spread through the air when people cough or by direct contact. [6]
Asthma is a common long-term inflammatory disease of the airways of the lungs. [4] Asthma occurs when allergens, pollen, dust, or other particles, are inhaled into the lungs, causing the bronchioles to constrict and produce mucus, which then restricts oxygen flow to the alveoli.
And looked at any number of ways, it’s only getting worse: Experts agree that more people are becoming allergic to airborne irritants like pollen and mold, allergy symptoms are more severe, and ...
A lot of different things can cause a cough. But coughs are usually broken down into two main categories: acute and chronic. ... mold, or pollen. An upper respiratory infection like the common ...
Pollen is often considered as a cause of allergic rhinitis, hence called hay fever (See sub-section below). [citation needed] Predisposing factors to allergic rhinitis include eczema (atopic dermatitis) and asthma. These three conditions can often occur together which is referred to as the atopic triad. [25]
Between now and May, pollen from birch, maple and oak trees, for example, are wreaking havoc on seasonal allergies. The mild winter may mean longer pollen season, allergies could be a 'significant ...
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