ɪɾ ɪz jˈuːzd ɐɡˈɛnst ˌeɪtʃˌaɪvˈiː ɪnfˈɛkʃənz æz ɐ fˈɪkstdˈoʊs kˌɑːmbᵻnˈeɪʃən wɪð ɐnˈʌðɚ pɹˈoʊɾeɪs ɪnhˈɪbɪɾɚ, ɹˈɪtənˌævɪɹ lˈɑːpɪnˌævɪɹ slˈæʃ ɹˈɪtənˌævɪɹ.
It is used against HIV infections as a fixed-dose combination with another protease inhibitor, ritonavir (lopinavir/ritonavir).