Fact checked by James Lacy When you get a medical test, you may be anxious about the results. For the most part, medical tests are helpful. But most tests are not 100 percent reliable, and the result ...

In high-income western countries, interferon-γ release assays (IGRAs) have largely replaced the classic tuberculin skin test for diagnosing latent tuberculosis ... with low-positive IGRA results ...

The vaccine can cause a false positive TB skin test reaction. Source: Centers for Disease Control Reach Tammy Ayer at [email protected]. Local journalism is essential. Give directly to The ...

The skin TB test involves injecting a small amount of tuberculin (PPD) under the skin on the forearm and checking for a reaction (swelling) after 48-72 hours. A positive result indicates a ...

The Xpert MTB/Ultra molecular diagnostic test may become a viable option for detecting tuberculosis (TB) in the stool of adults with HIV, according to the results of a recent study.

Those who have received the TB vaccine should tell their health providers, especially if they're getting tested for TB infection. The vaccine can cause a false positive TB skin test reaction.