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asthma - Definition:
(Source: MedicineNet)
Asthma : A common disorder in which chronic inflammation of the bronchial tubes (bronchi) makes them swell, narrowing the airways. Asthma involves only the bronchial tubes and does not affect the air sacs ( alveoli ) or the lung tissue (the parenchyma of the lung) itself.
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About asthma
(Source:
eMedicineHealth)
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Asthma is a disease that affects the breathing passages of the lungs (bronchioles). Asthma is caused by chronic (ongoing, long-term) inflammation of these passages. This makes the breathing passages, or airways, of the person with asthma highly sensitive to various "triggers." When the inflammation is "triggered" by any number of external and internal factors, the passages swell and fill with mucus . ; Muscles within the breathing passages contract (bronchospasm), causing even further narrowing
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Causes of asthma
(Source: MedLinePlus)
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Causes Asthma is caused by inflammation in the airways. When an asthma attack occurs, the muscles surrounding the airways become tight and the lining of the air passages swells. This reduces the amount of air that can pass by. In sensitive people, asthma symptoms can be triggered by breathing in allergy-causing substances (called allergens or triggers). Common asthma triggers include: Animals (pet hair or dander); Dust; Changes in weather (most often cold weather); Chemicals in the air or in fo
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Symptoms of asthma
(Source: MedLinePlus)
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Symptoms Most people with asthma have attacks separated by symptom-free periods. Some people have long-term shortness of breath with episodes of increased shortness of breath. Either wheezing or a cough may be the main symptom. Asthma attacks can last for minutes to days, and can become dangerous if the airflow is severely restricted. Symptoms include: Cough with or without sputum (phlegm) production; Pulling in of the skin between the ribs when breathing ( intercostal retractions ); Shortness
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asthma - Conventional Treatments
(Source: MedLinePlus)
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Treatment The goal of treatment is to avoid the substances that trigger your symptoms and control airway inflammation. You and your doctor should work together as a team to develop and carry out a plan for eliminating asthma triggers and monitoring symptoms. For information on treating asthma in children, see: Pediatric asthma There are two basic kinds of medication for treating asthma: Control drugs to prevent attacks; Quick-relief drugs for use during attacks; Control drugs for asthma control
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Further Reading on asthma
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Asthma in Teens and Adults - Treatment Overview (
WebMD
)
Although asthma cannot be cured, you can manage the symptoms with medications, especially inhaled corticosteroids and beta2 -...you have a long-lasting condition. But all asthma -even mild...
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Asthma in Children - Treatment Overview (
WebMD
)
Although your child's asthma cannot be cured, you can manage the symptoms with medications, especially inhaled corticosteroids and...Although your child's asthma cannot be cured, you can manage the...
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Asthma : Overview & Facts (
WebMD
)
Asthma requires preventive care. Over time, irreversible lung damage can occur. But taking long-term control medicines can reduce...
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Understanding Asthma -- the Basics (
WebMD
)
Read an overview of basic information about asthma ... Asthma is a chronic condition affecting the airways of the lungs. The hallmark symptoms of asthma are wheezing and difficulty breathing, but...
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Asthma in Children - Overview (
WebMD
)
Is this topic for you? This topic provides information about asthma in children. If you are looking for information about asthma ...take care of symptoms at home if you have a good asthma action plan.
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Asthma During Pregnancy - Topic Overview (
WebMD
)
Asthma is a fairly common health problem for pregnant women, including some women who have never had it before. During pregnancy,... Asthma is a fairly common health problem for pregnant women, including...
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Your Job and Occupational Asthma (
WebMD
)
Occupational asthma is a respiratory disease caused by exposure to a trigger in the workplace. Learn... Asthma is a chronic (long-term, ongoing) inflammation of the breathing passages (bronchi) of the...
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Slideshow: A Visual Guide to Asthma (
WebMD
)
Asthma is a serious, sometimes life-threatening lung condition. Learn about asthma symptoms and treatment options, as well as what...
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Asthma susceptibility gene (
MedicineNet
)
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Asthma, exercise-induced (
MedicineNet
)
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Asthma, miner's (
MedicineNet
)
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Asthma in Children (
eMedicineHealth
)
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Asthma FAQ (
eMedicineHealth
)
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