which anticonvulsants interact with hormonal contraceptives
Here's the latest on which anticonvulsants interact with hormonal contraceptives.
This is even more important now that anticonvulsants are also being prescribed for mood disorders and neuropathic pain.
Carbamazepine, phenytoin, phenobarb, primidone, and topiramate (Topamax) can interact with OCs. These drugs reduce levels of estrogen and progestin...making OCs less effective.