• In a patient who had been receiving digitoxin therapy, the serum digitoxin level decreased markedly when rifampin was added to the therapeutic regimen. The serum digitoxin level returned to the pretreatment level when rifampin therapy was discontinued.
(Arch Intern Med 1983;143:599)
Poor DM, Self TH, Davis HL. Interaction of Rifampin and Digitoxin. Arch Intern Med. 1983;143(3):599. doi:10.1001/archinte.1983.00350030213042
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