Estrogen Containing Oral Contraceptive Preparations (Ethinyl + Lamotrigine Extended Release Interaction
Moderateinteraction on record
Description
Estrogen-containing oral contraceptives decrease lamotrigine concentrations approximately 50% and decrease levonorgestrel by 19%.
Mechanism
Induces lamotrigine glucuronidation
Source: NLP:lamotrigine extended-release