Pediatric TB

A 6-year-old boy is brought to the clinic by his mother for a routine health check. His father was recently diagnosed with smear-positive pulmonary TB and is starting treatment. The child is asymptomatic, with normal growth and development. Physical examination is unremarkable. Mantoux test (5 TU) shows 12 mm induration at 48 hours. Chest X-ray is completely normal. What is the most appropriate next step in management?

Which of the following is the FIRST-LINE antituberculous drug regimen recommended for drug-sensitive pulmonary TB in children according to Indian TB guidelines?

A 4-year-old child is evaluated for suspected tuberculosis after contact with a smear-positive parent. The child is asymptomatic, but tuberculin skin test (TST) is positive (18 mm induration). Chest X-ray is normal. What is the most appropriate investigation to rule out active TB and assess for latent TB infection?

A 4-year-old child is diagnosed with drug-susceptible pulmonary TB and has completed 2 months of intensive phase therapy with HRZE. Which drug combination should be used for the continuation phase?

A 6-year-old child from rural India presents with a 3-month history of low-grade fever, failure to thrive, and a persistent cough. Chest X-ray shows hilar lymphadenopathy with a right upper lobe infiltrate. Mantoux test is 18 mm. Regarding the management of childhood tuberculosis, all of the following are true EXCEPT: