Pediatrics A 2 year old child has a Mantoux test reading of 12 mm × 12 mm after 48 hours. In this case : A Anti – TB drugs should be started even if x–ray chest and haemogram are normal B Treatment should be started only if x–ray chest and haemogram are suggestive C One should wait till overt sign of TB appear D No treatment is required 💡 Explanation A 2 year old child has a Mantoux test reading of 12 mm × 12 mm after 48 hours. In this case : ✓ Correct Answer: A. Anti – TB drugs should be started even if x–ray chest and haemogram are normal