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Carbamazepine: Therapy with VABON may cause an increase in Carbamazepine levels in patients taking both drugs.
Cyclosporine: An increased cyclosporine blood concentration with possible toxicity (eg, nephrotoxicity) has occurred. Monitor serum bilirubin, serum creatinine, and cyclosporine concentrations in patients receiving concomitant therapy. Adjust doses of drugs as needed.
Warfarin: Prolongation of prothrombin time has been reported with concomitant use.
Drug/Lab test interactions: VABON treatment may interfere with laboratory determinations of testosterone, androstenedione, and dehydroepiandrosterone. Abnormality in laboratory test may occur during therapy with VABON including the following: CPK, glucose tolerance, glucagon, thyroid-binding globulin, sex hormone-binding globulin, other plasma proteins, lipids, and lipoproteins.
