Penicillin dosage for pharyngotonsillitis Feb. 12, 2026 Article: BMJ. 2019 Oct 4:367:l5337. doi: 10.1136/bmj.l5337. “Penicillin V four times daily for five days versus three times daily for 10 days in patients with pharyngotonsillitis caused by group A streptococci: randomised controlled, open label, non-inferiority study” Reviewer: Dr. Ashworth