U.S. doctors online nowAsk doctors free
A 20-year-old female asked:

I just had a 2nd round ppd done for work (@ a rehab) and the area is red and about a 1/2 in wide. last time it returned to normal w/in 2 hrs. tb+?

1 doctor answer3 doctors weighed in
Dr. Keith Robinson
Pulmonology 23 years experience
PPD: Good news is, its probably not active tb. Bad news, sounds like latent TB infection. A frank discussion with infection control, chest x-ray, and lab work is needed to discuss latent TB infection.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jun 10, 2014


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.