Samtidig administration af posaconazol og phenytoin og lignende induktorer (f. eks. carbamazepin, phenobarbital, primidon) bør undgås, medmindre fordelen for patienten opvejer risikoen.
Concomitant use of posaconazole and phenytoin and similar inducers (e. g. carbamazepine, phenobarbital, primidone) should be avoided unless the benefit to the patient outweighs the risk.