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Asthma in adults

Description

An in-depth report on how asthma is diagnosed, treated, and managed in adults.

Symptoms

Asthma symptoms vary in severity from occasional mild bouts of breathlessness to daily wheezing that persists despite taking large doses of medication. After exposure to asthma triggers, symptoms rarely develop abruptly but progress over a period of hours or days. Occasionally, the airways have become seriously obstructed by the time the patient calls the doctor.

The classic symptoms of an asthma attack include:

• Wheezing when breathing out is nearly always present during an attack. Usually the attack begins with wheezing and rapid breathing, and, as it becomes more severe, all breathing muscles become visibly active.
• Shortness of breath ( dyspnea ). Shortness of breath is a major source of distress in patients with asthma. However, the severity of this symptom does not always reflect the degree to which lung function is impaired. Some patients are not even aware that they are experiencing shortness of breath. Such patients are at particular risk for very serious and even life-threatening asthma attacks, since they are less conscious of symptoms. Those at highest risk for this effect tend to be older, female, and to have had the disease for a longer period of time.
• Coughing. In some people, the first symptom of asthma is a nonproductive cough. Some patients find this cough even more distressing than wheezing or sleep disturbances.
• Chest tightness or pain. Initial chest tightness without any other symptoms may be an early indicator of a serious attack.
• Neck muscles may tighten, and talking may become difficult or impossible.
• Rapid heart rate.
• Sweating.
• Chest pain occurs in about 75% of patients. It can be very severe, although the pain's intensity is not necessarily related to the severity of the asthma attack itself.

The end of an attack is often marked by a cough that produces a thick, stringy mucus. After an initial acute attack, inflammation persists for days to weeks, often without symptoms. (The inflammation itself must still be treated, however, because it usually causes relapse.)

• Review Date: 3/27/2007
• Reviewed By: Harvey Simon, MD, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.

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