Cigarette smoking is the main risk factor for chronic bronchitis. People exposed to secondhand smoke can also acquire this condition. The WHO estimates that passive smoking is associated with a 10 to 43 percent increase in risk of COPD in adults. Irritant gases can also contribute to the disease development. Although cigarette smoking is the [...]
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Medications are used to prevent and control asthma symptoms, reduce the frequency and severity of exacerbations, and reverse airway obstruction. Drugs used for long-term control of asthma are taken daily to maintain control of the disease. The primary drugs in this group are anti-inflammatory agents, long-acting bronchodilators, and leukotriene modifiers. Bronchodilator therapy is needed to [...]
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