Acute bronchitis is an infection of the bronchial (say: “brawn-kee-ull”) tree. The bronchial tree is made up of the tubes that carry air into your lungs. When these tubes get infected, they swell and mucus (thick fluid) forms inside them. This makes it hard for you to breathe.
The symptoms of acute bronchitis can include:
Acute bronchitis is almost always caused by viruses that attack the lining of the bronchial tree and cause infection. As your body fights back against these viruses, more swelling occurs and more mucus is produced. It takes time for your body to kill the viruses and heal the damage to your bronchial tubes.
In most cases, the same viruses that cause colds cause acute bronchitis. Research has shown that bacterial infection is a much less common cause of bronchitis than we used to think. Very rarely, an infection caused by a fungus can cause acute bronchitis.
The viruses that cause acute bronchitis are sprayed into the air or onto people’s hands when they cough. You can get acute bronchitis if you breathe in these viruses. You can also get it if you touch a hand that is coated with the viruses.
If you smoke or are around damaging fumes (such as those in certain kinds of factories), you are more likely to get acute bronchitis and to have it longer. This is because your bronchial tree is already damaged.
Most cases of acute bronchitis will go away on their own after a few days or a week. It's a good idea to get plenty of rest, drink lots of noncaffeinated fluids (for example, water and fruit juices) and increase the humidity in your environment. You can also take an over-the-counter pain reliever (such as ibuprofen or acetaminophen) to ease pain and lower fever. It is okay to take an over-the-counter cough suppressant if your cough is dry (not producing any mucus). It's best not to suppress a cough that brings up mucus because this type of cough helps clear the mucus from your bronchial tree faster. Cough medicine is not recommended for children, especially those under 2 years of age.
Because acute bronchitis is usually caused by viruses, antibiotics usually do not help. Even if you cough up mucus that is colored or thick, antibiotics probably won’t help you get better any faster.
If you smoke, you should quit. This will help your bronchial tree heal faster.
Some people who have acute bronchitis need medicines that are usually used to treat asthma. If you hear yourself wheezing, this indicates you may need asthma medicines. These medicines can help open the bronchial tubes and clear out mucus. They are usually given with an inhaler. An inhaler sprays the medicine right into the bronchial tree. Your doctor will decide if this treatment is right for you.
Sometimes the cough from acute bronchitis lasts for several weeks or months. Usually this happens because the bronchial tree is taking a long time to heal. However, a cough that doesn’t go away may be a sign of another problem, such as asthma or pneumonia.
One of the best ways to keep from getting acute bronchitis is to wash your hands often to get rid of any viruses.
If you smoke, the best defense against acute bronchitis is to quit. Smoking damages your bronchial tree and makes it easier for viruses to cause infection. Smoking also slows down the healing process, so it takes longer for you to get well.
American Academy of Family Physicians
Web site to visit: http://www.albany.edu
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