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how long is a tb test 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 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 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
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1 thank
A 42-year-old member asked:
Dr. Eva Duckett
30 years experience Radiology
Imaging center: Your doctor should have given you a referral slip for the chest xray. They may have a particular imaging place they want you to go to, but you can go ... Read More
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A 63-year-old male asked:
Dr. Donald Colantino
60 years experience Internal Medicine
No wait: There is no need to wait if antibiotics are indicated.
A member asked:
Dr. Klaus d Lessnau
35 years experience Pulmonary Critical Care
Check with your doc: That usually resolves. Hundreds of millions have received the test. However, the blood test igra is better anyway.
A 44-year-old female asked:
Dr. Donald Alves
23 years experience Emergency Medicine
Not really: It is a tiny needle, just within the layers of the skin to create a fluid bubble. Takes a few seconds to apply.
A 37-year-old member asked:
Dr. Klaus d Lessnau
35 years experience Pulmonary Critical Care
Outdated?: May be tuberculosis skin testing? Igra or quantiferon gold blood testing is at least as good or even better. Discuss with your doc. The blood t ... Read More

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