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how long are tb test results good for

A 56-year-old member asked:
Dr. Klaus d Lessnau
35 years experience Pulmonary Critical Care
Until today: You tested negative today? Great. But maybe you will inhale the bug tonight? Then your TB test will change. Once positive always positive.

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A 49-year-old member asked:
Dr. Geoffrey Rutledge
40 years experience Internal Medicine
There : There are several different types of TB test, but the most common of which i think you are referring to is a skin prick test using a purified protein ... Read More
A 38-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Depends: If your doctor suspects that you have open pulmonary tuberculosis, you could be prevented from going to work.
A 37-year-old member asked:
Dr. Lokesh Guglani
20 years experience Pediatric Pulmonology
Generally 6 weeks: The need to repeat a TB test generally depends on each individual's previous test results, presence of symptoms & risk factors for exposure to tb. An ... Read More
A 37-year-old female asked:
Dr. Jeffrey Jarrett
18 years experience Internal Medicine
What test was done?: Skin test takes 48 hours and needs to be interpreted by a qualified professional, i.e.; whoever placed the test. Blood draws can give the answer in 1 ... Read More
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2 thanks
A 49-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
TB: Tuberculin Tine Test- is smooth to moderately deep palpation. What is important is what it feels like - not what it looks like.
A 38-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
That you : haven't been infected by Mycobacterium tuberculosis.
A 45-year-old female asked:
Dr. Stephen Brunton
Specializes in Family Medicine
TB Test: there can be several reasons why a TB test takes longer to reactt..If you do have a large reaction as you describe you should go back to your doctors ... Read More
A 45-year-old female asked:
Dr. Natalie Sieb
13 years experience Family Medicine
Negative, give time: As long as there was no hardened lump at the infection site within that first 72 hours that was greater than 15mm (or less if you have risk factors), ... Read More
1
1 thank
A 30-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
No: No
1
1 thank

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