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Results 21 - 30 of 31 for hypersensitivity
  1. An allergy occurs when the immune system reacts to substances (allergens) that are generally harmless and in most people ...
  2. Many of the same substances that trigger allergies can also trigger asthma. Common allergens include pollen, dust mites, mold and pet dander. Other asthma triggers include irritants like smoke, pollution, fumes, ...
  3. ... for three months or longer. Bronchitis caused by allergies can also be classified as chronic bronchitis. Chronic ...
  4. A true allergy to a medication is different than a simple adverse reaction to the drug. The allergic reaction occurs when ...
  5. ... the eustachian tube becomes swollen from colds or allergies. Bacteria trapped in the eustachian tube may produce ...
  6. ... stress, dietary deficiencies, menstrual periods, hormonal changes, food allergies or trauma in the mouth. Canker sores usually ...
  7. ... or stuffy nose can be due to colds, allergies, sinus infections or the flu. When there is ...
  8. Henoch-Schonlein is a type of hypersensitivity vasculitis and inflammatory response within the blood vessel. It is caused by an abnormal response of the immune system. The exact cause ...
  9. Atopic dermatitis occurs in individuals with tendencies towards allergies and who seem to have very sensitive skin. ...
  10. ... fever, cough, stuffy nose, runny nose, diarrhea, and allergies are common drugs which are especially helpful during ...
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