Interaction table Interactions between darunavir/ritonavir and protease inhibitors, antiretroviral agents other than protease inhibitors and other non-antiretroviral medicinal products are listed in the tables below (increase is indicated as “↑”, decrease as “↓”, no change as “↔”, not determined as “ND”, twice daily as “b.i.d.”, once daily as “q.d.” and once every other day as “q.o.d.”).