Bredicon Desogestrel Carbamazepine
ModerateCarbamazepine can make Desogestrel work less well. Other medicines that do this include hydantoins, barbiturates, primidone, rifampicin, oxcarbazepine, rifabutin, felbamate, ritonavir, griseofulvin and products containing St John's Wort.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.