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Bronchitis

Posted Jun 23 2009 6:54pm 4 Comments

What Is Bronchitis?

Bronchitis (bron-KI-tis) is a condition in which the bronchial tubes, the tubes that carry air to your lungs, become inflamed. (For more information on the bronchial tubes and the airways, see the Diseases and Conditions Index How the Lungs Work article.)

People who have bronchitis often have a cough that brings up mucus. Mucus is a slimy substance made by the lining of the bronchial tubes. Bronchitis also may cause wheezing (a whistling or squeaky sound when you breathe), chest pain or discomfort, a low fever, and shortness of breath.

Infections or other factors that irritate the lungs cause acute bronchitis. The same viruses that cause colds and the flu often cause acute bronchitis. These viruses are spread through the air when people cough. They also are spread through physical contact (for example, on hands that have not been washed). Sometimes bacteria cause acute bronchitis.

Acute bronchitis lasts from a few days to 10 days. However, the cough that occurs may last for several weeks after the infection is gone.

Several factors increase the risk for acute bronchitis. Examples include tobacco smoke (including secondhand smoke), air pollution, dust, and fumes. Avoiding these lung irritants as much as possible can help lower your risk for acute bronchitis.

Most cases of acute bronchitis go away within a few days. If you think you have acute bronchitis, see your doctor. He or she will want to rule out other, more serious health conditions that need medical care.

Chronic bronchitis is an ongoing, serious condition. It occurs when the lining of the bronchial tubes is constantly irritated and inflamed.

Bronchitis is "chronic" if you have a cough with mucus on most days for at least 3 months a year and 2 years in a row (without another apparent cause). Smoking is the main cause of chronic bronchitis.

Viruses or bacteria can easily infect the irritated bronchial tubes. When this happens, the condition worsens and lasts longer. As a result, people who have chronic bronchitis also have periods when symptoms get much worse than usual.

Chronic bronchitis is a serious, long-term medical condition. Early diagnosis and treatment, combined with quitting cigarette smoking and avoiding secondhand cigarette smoke, can help people live better with this condition. The chance of complete recovery is low for people who have severe chronic bronchitis.

Symptoms of Bronchitis?

Acute Bronchitis

Acute bronchitis caused by an infection usually develops after you already have a cold or the flu. Symptoms of a cold or the flu include sore throat, fatigue (tiredness), fever, body aches, stuffy or runny nose, vomiting, and diarrhea.

The main symptom of acute bronchitis is a cough. The cough may produce clear mucus (a slimy substance). If the mucus is yellow or green, you may have a bacterial infection as well. Even after the infection clears up, you may still have a dry cough for days or weeks.

Other symptoms of acute bronchitis include wheezing (a whistling or squeaky sound when you breathe), low fever, and chest tightness or pain.

If your acute bronchitis is severe, you also may have shortness of breath, especially with physical activity.

Chronic Bronchitis

The signs and symptoms of chronic bronchitis include coughing, wheezing, and chest discomfort. The coughing may produce large amounts of mucus. This type of cough is often called "smoker's cough."

Diagnosis

Your doctor usually will diagnose bronchitis based on your signs and symptoms. He or she may ask questions about your cough, such as how long you’ve had it, what you’re coughing up, and how much you cough.

Your doctor also will likely ask:

  • About your medical history
  • Whether you’ve recently had a cold or the flu
  • Whether you smoke or spend time around others who smoke
  • Whether you’ve been exposed to air pollution, dust, or fumes

Your doctor will use a stethoscope to listen for wheezing (a whistling or squeaky sound when you breathe) or other abnormal sounds in your lungs. He or she also may:

What Causes Bronchitis?

Acute Bronchitis

Infections or other factors that irritate your lungs cause acute bronchitis. The same viruses that cause colds and the flu are the most common cause of acute bronchitis. Sometimes bacteria can cause the condition.

Certain substances can irritate your lungs and airways and raise your risk for acute bronchitis. For example, inhaling or being exposed to cigarette or cigar smoke, air pollution, dusts, vapors, or fumes raises your risk. These lung irritants also can make symptoms worse.

Being exposed to a high level of dust or fumes, such as from an explosion or a big fire, also may lead to acute bronchitis.

Chronic Bronchitis

Repeatedly breathing in fumes that irritate and damage lung and airway tissues causes chronic bronchitis. Smoking is the major cause of this condition.

Breathing in air pollution and dust or fumes from the environment or the workplace also can lead to chronic bronchitis.

People who have chronic bronchitis go through periods when symptoms become much worse than usual. During these times, they also may have acute viral or bacterial bronchitis.

Treatment

The main goals of treating acute and chronic bronchitis are to relieve symptoms and help make breathing easier.

If you have acute bronchitis, your doctor may recommend rest, plenty of fluids, and aspirin (for adults) or acetaminophen to treat fever.

Antibiotics usually aren't prescribed for acute bronchitis. This is because they don't work against viruses—the most common cause of acute bronchitis. However, if your doctor thinks you have a bacterial infection, he or she may prescribe antibiotics.

A humidifier or steam can help loosen mucus and relieve wheezing and limited air flow. If your bronchitis causes wheezing, you may need an inhaled medicine to open your airways. You take this medicine using an inhaler. This device allows the medicine to go right to your lungs.

Your doctor also may prescribe medicines to relieve or reduce your cough and treat your inflamed airways (especially if your cough persists).

To lower your risk of getting bronchitis, your doctor also may suggest a flu shot and/or a pneumonia vaccine (if you're aged 60 or older).

If you have chronic bronchitis and have also been diagnosed with COPD (chronic obstructive pulmonary disease), you may need medicines to open your airways and help clear away mucus. These medicines include bronchodilators (inhaled) and steroids (inhaled or pill form).

Sometimes people who have chronic bronchitis need oxygen therapy to help them breathe better and get enough oxygen to their bodies.

One of the best ways to treat acute and chronic bronchitis is to remove the source of irritation and damage to the lungs. If you smoke cigarettes, it's very important to quit. Talk to your doctor about programs and products that can help you quit smoking. Try to avoid secondhand smoke. Also, try to avoid places with a lot of dusts, fumes, vapors, or air pollutants.

Links to Other Information About Bronchitis

Bronchitis (MedlinePlus)

Comments (4)
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Bronchodillators and steroids in case of <a href="http://isbronchitiscontagious.net/">chronic bronchitis</a> should be taken only after consulting your doctor. Changes in the current lifestyle like keeping out of smoking habits and having healthy food can help a lot. People with bronchitis need to handle the situation with utmost care for that can help them to have a quick relief!
Bronchodillators and steroids in case of <a href="http://isbronchitiscontagious.net/">chronic bronchitis</a> should be taken only after consulting your doctor. Changes in the current lifestyle like keeping out of smoking habits and having healthy food can help a lot. People with bronchitis need to handle the situation with utmost care for that can help them to have a quick relief!
Bronchodillators and steroids in case of chronic <a href="http://isbronchitiscontagious.net/">bronchitis</a> should be taken only after consulting your doctor. Changes in the current lifestyle like keeping out of smoking habits and having healthy food can help a lot. People with bronchitis need to handle the situation with utmost care for that can help them to have a quick relief!
Bronchodillators and steroids in case of chronic bronchitis should be taken only after consulting your doctor. Changes in the current lifestyle like keeping out of smoking habits and having healthy food can help a lot. People with bronchitis need to handle the situation with utmost care for that can help them to have a quick relief!
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