2 gram probenecid skal indgives 3 timer før cidofovir og 1 gram indgives 2 timer og igen 8 timer efter afslutning af cidofovir- infusionen på 1 time (d. v. s. ialt 4 g).
Two grams of probenecid should be administered 3 hours prior to the cidofovir dose and one gram administered at 2 and again at 8 hours after completion of the 1 hour cidofovir infusion (for a total of 4 grams).