Bivirkninger kan forekomme hyppigere, hvis du tager medicin, som kan hæmme et enzym, der kaldes CYP3A4 (f. eks. ketoconazol og protease hæmmere til behandling af HIV).
If you are taking medicines that can inhibit an enzyme called CYP3A4 (for example ketoconazole or protease inhibitors for treatment of HIV) the frequency of side effects might increase.