Pharmacology The preferred treatment option for primary syphilis is : A Injection Benzathine pencillin 2.4 million units IM single dose B Injection Benzathine penicillin 2.4 million units IM Once a week for 3 weeks C Cap. Doxycycline 100 mg orally twice a day for 2 weeks D Tab. Azithromycin 2 gin single dose 💡 Explanation The preferred treatment option for primary syphilis is : ✓ Correct Answer: A. Injection Benzathine pencillin 2.4 million units IM single dose