Pharmacology Which of the following drugs, if given with terfenadine, can cause ventricular arrhythmias ? A Ketoconazole B Griseofulvin C Ampicillin D Sparfloxacin 💡 Explanation Which of the following drugs, if given with terfenadine, can cause ventricular arrhythmias ? ✓ Correct Answer: A. Ketoconazole