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Lingering Cough in Child May Be Symptom of Cough-Variant Asthma Cough-variant asthma is a type of asthma where the main symptom is a dry, non-productive cough that lasts longer than six to eight weeks. Anyone can get cough-variant asthma, but it is most common in younger children with asthma. Often times, people with cough-variant asthma don't display other classic asthma symptoms, such as wheezing and chest tightness; however, cough-variant asthma can eventually lead to classic asthma symptoms. People with cough-variant asthma may experience an increase in coughing from typical asthma triggers, such as exercise, dust and allergens, or cold air. Coughing may also occur after an upper respiratory infection. Some medications have been known to cause cough-variant asthma, including beta blockers and aspirin. Cough-variant asthma can be hard to diagnose. The cough is generally the only symptom and can often be misdiagnosed as bronchitis or other common causes of coughing. People with cough-variant asthma can have normal chest x-rays and spirometry tests, which are generally used to diagnose those with classic asthma. There are two ways to successfully diagnose cough-variant asthma:
Marianne Drevna, BS, is a Licensed Respiratory Care Practitioner at Breathe Pennsylvania. Breathe Pennsylvania is a non-profit organization that helps the residents of southwestern Pennsylvania achieve and maintain optimal lung health through education, prevention, awareness and direct services. For more information, call 1-800-220-1990, email info@breathepa.org or visit the website www.breathepa.org. ![]() |
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