Thursday, July 24, 2008

What is Tuberculosis and how is it tested


What is Tuberculosis and how is it tested?

Infectious Diseases - 2 Answers
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1 :
It's a respiratory infection that affects the lungs. If left untreated, I believe it can be fatal. But if you treat it, it's really not that big of a deal. The test for TB consists of injecting a solution under the skin of the forearm. After 3 days, they "read" it to see if you've reacted. If you react, your whole forearm will turn red and they'll know that you're a carrier. It is possible to carry the antibodies for TB and never had symptoms. It's also possible to have a false positive test. When I get mine done, the red spot is usually about the size of a nickel, while everyone elses is not even noticeable. The nurses always tell me it's because I'm allergic to something in the solution, but it's not a positive test. I've had three TB tests in my life, once for college, and twice for different jobs that I've had working with kids. It's no big deal. :)
2 :
Beth G gave a very good answer. Its not a big deal getting tested. It does not really hurt either. They inject a solution by needle just under the first layer of your skin and form a bubble. You leave it alone for 3 days come back and see if it changed color. If you skin stays the normal color nothing is wrong but if it turns a red or irritated pinkish color they do further test and treat you for TB


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