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Urgent Care Tuberculosis Testing in Phoenix

TB or Tuberculosis is a potentially serious bacterial infection that is most often found in the lungs. The bacterium that causes TB is transmitted through the air, and therefore, can be very contagious. However, TB testing is only done for people who are considered “high risk” for contracting the disease.

Why You May Need Tuberculosis Testing in Phoenix

While tuberculosis (TB) is no longer widespread in the US, you may still need urgent care tuberculosis testing in Phoenix for work or travel-related reasons. Many colleges and universities require a test for international students coming from countries where TB is widespread, as well as students returning from study abroad programs. Health care workers also often need to be tested regularly to avoid being carriers of the disease.

Tuberculosis testing is required for those in confined living conditions too, including homeless shelters, migrant work camps, nursing homes and correctional facilities. Workers in any of these institutions also should consider urgent care tuberculosis testing in Phoenix due to the risk of catching TB from a tuberculous client. The Arizona Department of Corrections also requires a test before going into any of their programs, including home detention for DUI arrests.

Besides travel and work reasons, it is also a good idea to get tested if you have been in close contact with someone suffering from or recently treated for tuberculosis, if you have a condition such as HIV or chemotherapy that reduces immune function, or if you notice any of the signs of TB infection. Symptoms of tuberculosis include a chronic, painful, often bloody cough lasting a month or more, fever and chills that won’t go away, severe fatigue, and unexplained back or abdominal pain along with the cough.


There are two different ways to screen for TB. One is the skin test, and the other is the interferon gamma release assay (IGRA) test.

The skin test is the most commonly performed, and involves two steps: the injection of a small amount of purified protein derivative (PPD) solution under the first layer of skin of the forearm and an evaluation of the injection site conducted by a health practitioner at 48 and/or 72 hours to see if a local skin reaction has occurred.

All laboratories do not perform the IGRA test. This test measures the release of a substance called gamma interferon by white blood cells in a sample of blood when the cells are exposed to specific TB antigens. The test requires viable white blood cells, so the IGRA blood sample must be received and tested by a laboratory within a designated window of time.


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