Pharmacology The basis of combining ritonavir with lopinavir is ? A Pharmaceutical compatibility B CyP3A4 inhibition by ritonavir C Long elimination half life of ritonavir D Ability to counteract side effects of lopinavir 💡 Explanation The basis of combining ritonavir with lopinavir is ? ✓ Correct Answer: B. CyP3A4 inhibition by ritonavir