Lamotrigine has a slight inhibitory effect on dihydrofolic acid reductase, hence there is a possibility of interference with folate metabolism during long-term therapy (see section 4.6).
Lamotrigiin on nõrk dihüdrofoolhappe reduktaasi inhibiitor, seepärast peab pikaajalise ravi korral arvestama selle võimaliku sekkumisega folaadi ainevahetusse (vt lõik 4. 6).