Interaction of rifampin and digitoxin.
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.
D000368:Aged; D004074:Digitoxin / Q000097:blood* / Q000627:therapeutic use; D004347:Drug Interactions; D005260:Female; D006660:Histoplasmosis / Q000188:drug therapy; D006801:Humans; D012293:Rifampin / Q000494:pharmacology / Q000627:therapeutic use*
D004074:Digitoxin; D012293:Rifampin