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A member asked:

How do i know exactly what is a tb negative skin test?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

+ PPD: This means that there was minimal induration on a PPD that is read 48 to 72 hours after administered. The PPD is likely to be + in someone who has been exposed to TB before or if they were previously given bcg. It is likely to be - in someone who does not fit into those categories.

Answered 6/10/2014

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Related Questions

A member asked:

When exposed to TB but not infected (negative skin test), should your husband and child be checked also?

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I had positive result with the skin test for TB, but it was negative for the X-Ray. Do I get latent TB?

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A member asked:

If I had a positive TB skin test but a negative xray do I need medication? My doctor didn't say I did

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A member asked:

I got a TB skin test a week ago and I still have a red bump on my arm. They told me it was negative. I was wondering if this is normal?

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A member asked:

I just had a TB skin test done last week and i had it read and they said it was negative however i still have a little red bump how do I get rid of it?

6 doctors weighed in across 3 answers

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