Concerta Drug Interactions





DCH Auriga - Healthcare
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 in 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.
Serious adverse events have been reported in concomitant use with clonidine, although no causality for the combination has been established. The safety of using methylphenidate in combination with clonidine or other centrally acting α2-agonists has not been systemically evaluated.
Incompatibilities: None known.
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