Ved samtidig brug af fosamprenavir 700 mg 2 gange daglig, ritonavir 100 mg 2 gange daglig og nevirapine 200 mg 2 gange daglig blev der ikke ingen klinisk relevante interaktioner påvist.
Nevirapine: there was no clinically relevant interaction when fosamprenavir 700 mg twice daily and ritonavir 100 mg twice daily was used concurrently with nevirapine (200 mg twice daily).