Samtidig indgift af probenecid er vigtig for at reducere den udtalte cidofovirs nephrotoksicit til et acceptabelt niveau mht. fordele og ulemper af behandling med cidofovir.
Concomitant use of probenecid is essential for reducing the pronounced nephrotoxicity of cidofovir to an extent that results in an acceptable benefit/ risk balance of cidofovir therapy.