The skin test takes just a minute to administer.
If you mean how long does the test take: about 15 minutes but it will take 24-72 hours before it can be "read" and the results be given to you.
24 hours
72 hours
Screening Pulmonary TB V74.1 TB Test Reaction 795.5 Exposure to TB v01.1
Normally for 1 year.
It is contraindicated to have a second TB test after a previous positive test result.
as of 2000, it is no longer recommended for general use.
After 48-72 hours, the test site will be examined by a trained person for evidence of swelling.
Yes a school can require you to get a TB test, so it doesn't spread.
In people who have not been exposed to TB, there will be little or no swelling at the test site after 48-72 hours. This is a negative test result.
The Mentoux Test is a skin test the screens for TB.
No, weed treats TB.
exposure to TB and having had a BCG vaccine.
Blood is not drawn for a TB test. There are two ways to test for TB. One is a skin test where they insert a bit of the TB under your skin and then in two days they read it. If there is no reaction you are OK. If there is a reaction a X ray of your chest is taken. As a teacher I am required by law to have a TB test every 2 years. Only once have I had a reaction to the skin test, so I guess I was exposed at some point, but the X ray showed that there was nothing.
The medical term meaning Tb skin test is Mantoux. It's a term that refers to a skin test to check for tuburculosis.