A positive reaction usually remains visible for about 1 week. A positive tuberculin skin test does not mean you have a contagious (active) infection. The test cannot tell if the infection is active or inactive (latent TB). It also cannot tell the difference between a TB infection and a TB vaccination (BCG vaccination).
How long does skin stay red after TB test?
By Dr. Karishma Shinde|2022-12-07T06:22:57+00:00October 22nd, 2022|Tuberculin skin test:|
About the Author: Dr. Karishma Shinde
Dr. Karishma Shinde, B.H.M.S (MUHS Nashik) PGD, EMS (RHC Pune and the Director of Sunrise diagnostics Centre along with her team works with a vision of rendering care for the happiness of humankind and freedom from illness.