A member asked:

Is it normal to have a tiny bit of blood after a tb test? the blood is dry now and is less than 1/10 cm.got the test today.bleeded right after shot.

A doctor has provided 1 answer

Yes: The standard TB skin test usually involves a small needle injecting test material under your skin. To get it in the proper location the needle will often cause a small amount of blood leak out at the injection site.

Answered 10/31/2017

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