Fenytoin Undersøgelser har vist, at doseringen af fenytoin (CYP2C19 og CYP2C9 substrat) måske må nedsættes ved samtidig administration af lansoprazol.
Phenytoin Studies have shown that the dosage of phenytoin (CYP2C19 and CYP2C9 substrate) may have to be reduced when administered concomitantly with lansoprazole.