A member asked:

What is the result of mantoux test if it shows induration : 18mm and erythema : present?

2 doctors weighed in across 3 answers

Positive: If you do not have active symptoms of tuberculosis and have not received bcg in the past year, then it is likely you have inactive tuberculosis. This means that you have living mycobacterium tuberculosis in your body, contained within a granuloma and potentially could reactivate at some later time. Depending on your age and health you may want to take inh. See a doctor.

Answered 6/7/2018

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Positive: This is a positive test. You have tubercle bacilli alive in your body.

Answered 9/28/2016

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Positive: You have living tubercle bacilli in your body. Discuss with your doctor.

Answered 4/1/2019

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