Overview ; 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. For others, it can be a major problem that interferes with daily activities and may lead to a life-threatening asthma attack. Asthma can't be cured, but its symptoms can be controlled. Because asthma often changes over time...
Overview ; An asthma attack is a sudden worsening of asthma symptoms. Asthma is a long-term condition that makes breathing difficult because airways in the lungs become narrow. Symptoms of asthma attack include coughing, wheezing, tightness in the chest and difficulty getting enough air. These symptoms happen because muscles around airways tighten up, the airways become irritated and swollen, and the lining of the airways produces a fluid called mucus. All of these factors make it difficult to b...
Airborne substances like pollen, dust mites, mold spores, or pet dander ; Respiratory infections, including the common cold ; Physical activity, also known as exercise-induced asthma
These antibodies are normally supposed to attack infections in your liver tissues. But in autoimmune disease , your immune system mistakenly attacks your own healthy cells instead. Autoimmune hepatitis causes chronic inflammation in your liver, which may cause serious damage over time. Like other types of chronic hepatitis, autoimmune hepatitis c ...
Overview ; An asthma attack can be a terrifying experience. It can feel as if someone is sitting on your chest or there’s a cloud in your lungs. You struggle to draw in a full breath. Your chest tightens. Your breathing quickens. It feels, as one asthma sufferer put it, “like you’re drowning in air.” · The duration of an attack can vary, depending on what caused it and how long the airways have been inflamed. Mild episodes may last only a few minutes; more severe ones can last from hours to days. Mild attacks can resolve spontaneously ...
On this page ; Prevention and Risk Factors ; Related Issues ; Videos and Tutorials ; Statistics and Research ; Find an Expert ; Patient Handouts
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People with this type of autoimmune hepatitis have antinuclear antibodies (ANA) and anti–smooth muscle antibody (ASMA). Type 2 is less common in North America, making up only 4% of all...
v. at·tacked, at·tack·ing, at·tacks ; 1. To set upon with violent force. ; 2. To criticize strongly or in a hostile manner. ; 3. To start work on with purpose and vigor: attack a problem.
Common asthma symptoms include: Coughing: An asthma cough is often worse at night or early morning. Sometimes it’s your only symptom. It can be dry or mucus filled. Wheezing: This is a whistling sound or squeaky sound especially when you breathe out. Sometimes wheezing can be heard easily; other times you need a stethoscope. A stethoscope is a medical device used to listen to breath sounds. Chest tightness: This can feel like something is squeezing or sitting on your chest. Shortness of breath...