Gynaecology & Obstetrics Dose of benzanthine penicillin in early syphilis is _________ A 3-4 million units intravenously B 2.4 million units intramuscularly as a single injection C 2.4 million units intramuscularly daily, plus probenecid 500 mg orally for 14 days D 2.4 million units intramuscularly weekly for three doses 💡 Explanation Dose of benzanthine penicillin in early syphilis is _________ ✓ Correct Answer: B. 2.4 million units intramuscularly as a single injection