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  • Asthma - Symptoms and causes - Mayo Clinic
    Asthma is a condition in which your airways narrow and swell and may produce extra mucus This can make breathing difficult and trigger coughing, a whistling sound (wheezing) when you breathe out and shortness of breath For some people, asthma is a minor nuisance
  • Asthma: Types, Causes, Symptoms, Diagnosis Treatment
    Asthma triggers like allergies, cold, stress, smells or exercise cause your airways to tighten, swell and fill with mucus Asthma is a condition that causes long-term (chronic) inflammation in your airways The inflammation makes them react to certain triggers, like pollen, exercise or cold air
  • Asthma: Causes, Symptoms, and Treatment - WebMD
    Asthma is a long-term disease of the lungs It causes your airways to get inflamed and narrow, which makes it hard to breathe Severe asthma can cause trouble talking or being active You might
  • Asthma - Johns Hopkins Medicine
    Asthma is a long-term disease of the airways of the lung The airways become sensitive to triggers (allergens and irritants)
  • About Asthma | Asthma | CDC
    Asthma is a disease that affects your lungs It is one of the most common long-term diseases of children, but adults can have asthma, too Asthma causes wheezing, breathlessness, chest tightness, and coughing at night or early in the morning
  • Asthma - What Is Asthma? | NHLBI, NIH
    Asthma is a chronic condition that inflames and narrows the airways in the lungs Learn about asthma symptoms, attacks, causes, triggers, and treatments
  • Asthma: Symptoms, Treatment, and More - Healthline
    Asthma is an inflammatory disease affecting the airways to the lungs, making breathing difficult and physical activities challenging Common asthma symptoms include wheezing, coughing
  • Asthma Facts
    Asthma is a chronic (long-term) disease that causes inflammation and swelling of the airways In lungs with asthma: the small muscles around the airways to squeeze and tighten, the inside of the airways swell, and extra mucus clogs the airways





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