Medicine A patient of known valvular disease requires dental extraction. Pretreatment prophylaxis should be given with: A Tetracycline 1000mg. one hr before surgery B Amoxicillin 3g orally one hour before C Amoxicillin 1g IM one hour before D Benzyl penicillin 12 lakh units 1 hour before 💡 Explanation A patient of known valvular disease requires dental extraction. Pretreatment prophylaxis should be given with: ✓ Correct Answer: B. Amoxicillin 3g orally one hour before