CYP3A4- inducerende stoffer (antikrampemidler [f. eks. carbamazepin, phenobarbital, phenytoin, fosphenytoin, primidon], rifampicin, Hypericum perforatum) Samtidig brug kan føre til nedsat plasmakoncentration af amlodipin.
CYP3A4 inducers (anticonvulsant agents [e. g. carbamazepine, phenobarbital, phenytoin, fosphenytoin, primidone], rifampicin, Hypericum perforatum) Co-administration may lead to reduced plasma concentrations of amlodipine.