Social & Preventive Medicine A known case of TB is now resistant to Rifampicin and Isoniazid. Which of the following would be most appropriate in treating this patient? A 6 drugs for 4 months; 4 drugs for 12 months B 4 drugs for 4 months. 6 drugs for 12 months C 6 drugs for 6 months; 4 drugs for 18 months D 5 drugs for 2 months; 4 drugs for 1 month; 3 drugs for 5 months 💡 Explanation A known case of TB is now resistant to Rifampicin and Isoniazid. Which of the following would be most appropriate in treating this patient? ✓ Correct Answer: C. 6 drugs for 6 months; 4 drugs for 18 months