Pharmacology Which of the following is an anti-pseudomonal drug of penicillin class: March 2013 A Nafcillin B Dicloxacillin C Piperacillin D Cloxacillin 💡 Explanation Which of the following is an anti-pseudomonal drug of penicillin class: March 2013 ✓ Correct Answer: C. Piperacillin