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Lung Disease & Respiratory Health Center

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Tuberculosis (TB) - What Increases Your Risk

People are at increased risk of infection with tuberculosis (TB) when they:

  • Have close contact (such as living in the same house) with someone who has active TB, which can be spread to others. Active TB is very contagious.
  • Are health professionals who may care for people with untreated TB.
  • Live or work in crowded conditions where they can come into contact with people who may have untreated active TB. This includes people who live or work in prisons, nursing homes, military barracks, or homeless shelters.
  • Have poor access to health care, such as homeless people, migrant farm workers, or people who abuse alcohol or drugs.
  • Travel to or from regions where untreated TB is common, such as Latin America (countries in Central America, South America, and the Caribbean), Africa, Asia, Eastern Europe, and Russia.

People who have an infection that cannot spread to others (latent TB infection) are at risk of developing active TB if they:

Recommended Related to Lung Disease/Respiratory Problems

COPD Stages and Treatments

Chronic obstructive pulmonary disease (COPD) is a lung disease mainly caused by smoking. You can also get it from long-term exposure to air pollution, dust, and chemical fumes. It causes the airways in your lungs to inflame and thicken. You’ll have trouble breathing and you’ll cough often, or cough up mucus. You’ll probably wheeze a lot, and you could feel tired all the time. Your lips or fingernails might turn blue because of a lack of oxygen. But your doctor has ways to manage your disease and...

Read the COPD Stages and Treatments article > >

    WebMD Medical Reference from Healthwise

    Last Updated: June 04, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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