2 doctors weighed in:

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

2 doctors weighed in
Dr. Jay Park
Pediatrics
1 doctor agrees

In brief: 48 hours

Standard TB skin test typically measures size of induration 48 hours after an intradermal inoculation of ppd.

In brief: 48 hours

Standard TB skin test typically measures size of induration 48 hours after an intradermal inoculation of ppd.
Dr. Jay Park
Dr. Jay Park
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