24-Dura-Pen’s powerful combination of Penicillin G Procaine and
Penicillin G Benzathine is more commonly referred to as “longlasting
penicillin”. Penicillin G Procaine is rapidly absorbed,
quickly reaching therapeutic blood levels while Penicillin G
Benzathine is absorbed more slowly, sustaining therapeutic
blood levels for 40-48 hours.