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Tuberculosis in People With HIV - Topic Overview

People who are infected with the human immunodeficiency virus (HIV) have an increased risk for developing a tuberculosis (TB) infection. Their risk for a TB infection doubles in the first year they developed the HIV infection.1

If they have latent TB, which cannot be spread to others, they are at risk for the infection becoming an active disease, which can be spread to others. Active TB in the lungs also is more likely to spread to other parts of the body (extrapulmonary TB) in people who have HIV infection than in people who do not have it.

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Both active and latent TB are sometimes difficult to diagnose in people who also are infected with HIV or who have AIDS.

  • TB skin tests sometimes do not detect an infection in people who have AIDS or HIV infection even when they have a TB infection. This is because their immune systems often do not work well enough to respond to a skin test.
  • Active TB symptoms may be similar to common AIDS symptoms (weight loss, night sweats, fever, and fatigue).
  • Some lung infections common in AIDS, such as Pneumocystispneumonia, may mask the signs of TB infection on chest X-rays.

Active TB can be the first sign of an HIV infection or AIDS.

  • When people are diagnosed with active TB and have risk factors for HIV infection, they should have a test for HIV.
  • When people are diagnosed with HIV, they also should have a test for TB.

Active TB may speed the progression of HIV in people who are infected with both diseases and also may increase their risk of dying from the HIV infection. People who have both diseases may be at increased risk for developing multidrug-resistant TB. For these reasons, it is important to promptly treat people who have HIV infection and TB. With treatment, latent and active TB usually can be cured in people who have HIV or AIDS.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: November 14, 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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