Begge lægemidler metaboliseres intracellulært til deres aktive dele, henholdsvis lamivudin 5 ′ - trifosfat (TF) og zidovudin 5 ’ - trifosfat.
Both medicinal products are metabolised intracellularly to their active moieties, lamivudine 5’ -triphosphate (TP) and zidovudine 5’ -TP respectively.