The
protease inhibitors are generally expected to increase
quinidine levels.
The following
protease inhibitors are contraindicated with quinidine:
amprenavir (UK), atazanavir/ritonavir (UK), darunavir/ritonavir (UK), fosamprenavir (UK), nelfinavir,
ritonavir, saquinavir/ritonavir (US) tipranavir/ritonavir. Caution, with monitoring of
quinidine levels, is recommended for indinavir,
lopinavir/ritonavir and saquinavir/ritonavir (UK).