Pharmacology A 17 year old girl had been taking a drug for treatment of acne for the last 2 years, which has lead to pigmentation. Which drug could it be? A Doxycycline B Minocycline C Azithromycin D Chlorpromazine 💡 Explanation A 17 year old girl had been taking a drug for treatment of acne for the last 2 years, which has lead to pigmentation. Which drug could it be? ✓ Correct Answer: B. Minocycline