A 24-year-old man from a remote First Nations community in northern Canada is found to have a positive tuberculin skin test and normal chest radiograp...

Question

A 24-year-old man from a remote First Nations community in northern Canada is found to have a positive tuberculin skin test and normal chest radiograph during contact tracing after a smear-positive pulmonary TB case in his household. He is asymptomatic and HIV-negative. What is the most appropriate management?

Accepted Answer

Start treatment for latent TB infection with isoniazid or rifamycin-based regimen

Answer

No treatment; reassure that he is unlikely to develop TB

Answer

Start full four-drug TB therapy immediately

Answer

Repeat chest radiograph in 5 years only

Answer

Discharge to community without follow-up

ca-mccqe1 MCQ (SBA): Latent tuberculosis infection