GEOFF TOMPKINSON / SCIENCE PHOTO LIBRARY GEOFF TOMPKINSON / SCIENCE PHOTO LIBRARY
Pharmacist. View of a pharmacist showing a volumatic adaptor for asthma sufferers to a woman in a pharmacy. The adaptor is attached to an aerosol inhaler (blue, centre left) which discharges a bronchodilator drug. Bronchodilator drugs widen the bronchioles, the small airways of the lungs, which become narrowed during an asthma attack, restricting the oxygen supply to the lungs. First the inhaler is sprayed into the large clear chamber of the volumatic adaptor. The drug dose becomes diluted, making it easier to breathe in freely.
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