Concerta Drug Interactions



Johnson & Johnson
Full Prescribing Info
Drug Interactions
CONCERTA should not be used in patients being treated (currently or within the preceding 2 weeks) with MAO inhibitors (see Contraindications).
Because of possible increases on blood pressure, CONCERTA should be used cautiously with vasopressor agents.
Human pharmacologic studies have shown that methylphenidate may inhibit the metabolism of coumarin anticoagulants, anticonvulsants (eg, phenobarbital, phenytoin, primidone), and some antidepressants (tricyclics and selective serotonin reuptake inhibitors). Downward dose adjustment of these drugs may be required when given concomitantly with methylphenidate. It may be necessary to adjust the dosage and monitor plasma drug concentrations (or, in the case of coumarin, coagulation times), when initiating or discontinuing concomitant methylphenidate.
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