A member asked:

If you have a tb skin test and it turns a little red and looks like a bug bite is this a positive or negative test?

A doctor has provided 1 answer

Depends : On the size of the swelling or induration. This is why they need to be seen and read 48 hours after being placed.

Answered 6/27/2019

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Thank

Related Questions

A member asked:

Tb skin test- how long after can you see redness or swelling?

A doctor has provided 1 answer