1 Reliability (R) was scaled as excellent (E), good (G), and fair (F).
2 Lopinavir/ritonavir is a strong inhibitor of CYP3A4.
3 Nonsteroidal anti-inflammatory drugs.
Unique drug pairs have been shown in appendix 1.
Table 3 Drug combinations, frequency, reliability, mechanism, and recommendations for contraindicated (X) interactions