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  1. What triggers seasonal allergies? | NIH MedlinePlus Magazine 
    https://magazine.medlineplus.gov/...what-triggers-seasonal-allergies
    ... likely to have them. Many people with seasonal allergies also have asthma . Pollen can trigger asthma, causing symptoms such as shortness of breath, wheezing, and coughing. ...
  2. Hay Fever 
    https://medlineplus.gov/hayfever.html
    ... pollen from trees, weeds and grasses. Learn the symptoms. ... pollen grains into the air. Some of the pollen ends up in your nose and throat. This can trigger a type of allergy called hay fever. Symptoms can include: Sneezing, often with a runny or ...
  3. MedlinePlus Drug Information: Loratadine 
    https://medlineplus.gov/druginfo/meds/a697038.html
    ... relieve the symptoms of hay fever (allergy to pollen, dust, or other substances in the air) and other allergies. These symptoms include sneezing, runny nose, and itchy eyes, nose, ...
  4. Achoo! cold, flu, or something else? | NIH MedlinePlus Magazine 
    https://magazine.medlineplus.gov/...achoo-cold-flu-or-something-else
    ... dust mites in the home, or pet dander. Allergy symptoms caused by pollens can last up to six weeks during pollen seasons in the spring, summer, or fall. Allergy symptoms caused by dust mites or pet dander can ...
  5. Allergy 
    https://medlineplus.gov/allergy.html
    ... your immune system. Substances that cause reactions include pollen and food. Find the full list of allergies and symptoms. ... one thing. Substances that often cause reactions are: Pollen Dust ... can cause a variety of symptoms such as a runny nose, sneezing, itching, rashes, ...
  6. MedlinePlus Drug Information: Cetirizine 
    https://medlineplus.gov/druginfo/meds/a623043.html
    Cetirizine is used to temporarily relieve the symptoms of hay fever (allergy to pollen, dust, or other substances in the air) and allergy to other substances (such as dust mites, animal dander, cockroaches, and molds). These symptoms ...
  7. Allergies, asthma, and pollen 
    https://medlineplus.gov/ency/patientinstructions/000489.htm
    In people who have sensitive airways, allergy and asthma symptoms can be triggered by breathing in substances called allergens , or triggers. It is important to know your triggers because avoiding them is your first step toward feeling better. Pollen is a common trigger.
  8. NLM Digital Collections - A practical text-book of infection, immunity, and biologic therapy : with special reference ... 
    Publication: Philadelphia : W.B. Saunders Company, 1923
    resource.nlm.nih.gov/11531030R
    ... hay-fever seasons; not all persons subject to pollen allergy suffer with asthma, this symptom being present only in those who are especially ... Jour. Immunology, 1922, 7, 147. GENERAL LESIONS AND SYMPTOMS OF HUMAN ALLERGY 653 (a) Pollens—Hay-fever. 1. Dandruff and hair of horse, ...
  9. Allergy Blood Test: MedlinePlus Medical Test 
    https://medlineplus.gov/lab-tests/allergy-blood-test
    ... of IgE in your blood and causes your allergy symptoms. Common allergens include: Pollen Dust Mold Animal dander Certain foods , including nuts and shellfish Certain medicines , such as penicillin Allergy symptoms can be mild to severe, depending on the ...
  10. Dust mite allergies: Learn More – What can relieve allergic rhinitis? - InformedHealth.org - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK447114
    ... but temporary, symptoms – for example during the grass pollen season. Others are allergic to dust mites or animals and have allergy symptoms all year round. Whatever the cause of the ...
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