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Using a Metered Dose Inhaler Drugs Go Directly to the Lungs Metered dose inhalers (MDIs) are used to treat asthma or other lung diseases. The inhalers deliver medication directly to the lungs, where it can be absorbed quickly and completely at the site where it is needed. MDIs are designed to deliver an exact amount, …
Lung Cancer Symptoms Appear in Advanced Stages Cancer of the lung is the leading cancer killer in both men and women in the United States, causing more deaths than colon, breast, and prostate cancers combined. Over 350,000 people in the U.S. are currently living with lung cancer. In 2005, it is estimated that more than …
Bronchitis Mucus Blocks Airways Bronchitis is an inflammation of the lining of the large airways in the lungs. The airways include the trachea and bronchioles (the “tracheobronchial tree”). In acute bronchitis, inflammation is usually the result of an infection in the respiratory tract, caused by a cold or flu virus, or, less often, bacteria. Chronic …
Asthma Patients Need a Treatment Plan Asthma is a chronic lunch disease that usually can be controlled with medication but cannot be cured. In asthma, the lining of the airways are inflamed, leading to excess mucus production, which clogs airways, and muscle constriction, which narrows the airways. Breathing thus becomes difficult. The typical symptoms of …