Home -> FAQ -> Frequently asked questions (FAQ) about Tuberculosis (TB) -> How can I find out if I have TB disease?

How can I find out if I have TB disease?

Answer

The first thing your doctor will do if you have any of the symptoms of TB is to take a chest X-ray. TB usually damages the inside of the lungs and this can show up on an X-ray. TB disease is confirmed through analysis of a sample of saliva from your mouth. If TB germs can be seen when the sample is looked at under a microscope, this means that the TB germs have escaped from your lungs, and you will be diagnosed with TB disease. This analysis requires a laboratory and can take several days to several weeks to confirm TB disease.

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