{{Drugcombi| base = Carbamazepine| add = Olanzapine| info = * Carbamazepine is principally metabolized by CYP3A4 (also CYP2C8), but is also a potent inducer of CYP1A2, CYP3A4 and UDP-glucuronosyltransferases.* Olanzapine is principally metabolized by CYP1A2 and CYP2D6.| start = * Carbamazepine can reduce olanzapine serum concentration, possible below therapeutic range. <ref> {{Pubmed|9860152|Lucas RA et al. A pharmacokinetic interaction between carbamazepine and olanzapine: observations on possible mechanism. Eur J Clin Pharmacol 1998;54:639-43}}</ref>* Add olanzapine according to the general dosing advice and increase dose based on clinical effect or serum concentration. <ref name=”medicatiebewaking”> Schalekamp T. et al, Interacties met Psychofarmaca, Stichting Health Base, Houten, 2002. </ref> <ref name=”bazire”> Bazire S, Pshychotropic Drug Directory 2007, HealthComm UK Limited, Aberdeen, 2007. </ref>| cave = }}