Allergy skin tests for asthma

Allergy skin tests for asthma

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Credit: ST. BARTHOLOMEW'S HOSPITAL, LONDON/SCIENCE PHOTO LIBRARY

Caption: Allergy skin tests for asthma, showing a positive reaction to grass pollen. Bronchial asthma describes a condition characterized by attacks of bronchospasm which causes difficulty in breathing. Asthma may be brought on by one or more of a number of stimuli, including allergens such as household dust and pollen, drugs such as aspirin, exertion, emotional strain and some infections. The attacks may be associated with other hypersensitive reactions as hay fever and eczema. Avoidance of known allergens and desensitization to them may reduce the number of attacks.

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Keywords: allergic, allergy, allergy testing, asthma, condition, disorder, healthcare, medical, medicine, testing

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