streptoduocin streptoduocin streptoduocin is an aminoglycoside antibiotic. streptoduocincombination ofstreptomycinaminoglycoside antibioticdihydrostreptomycinaminoglycoside antibioticclinical dataatc codej01ga02 (who) identifierspubchem cid202223 (verify) it is a mixture of streptomycin and dihydrostreptomycin.