Do other drugs interact with Jadelle?
Certain drugs may interact with the hormone delivered by Jadelle to make the rods less effective in preventing pregnancy. These include drugs used for epilepsy such as phenytoin (like Dilantin), carbamazepine, and oxcarbazepine. When considering Jadelle use, a woman should tell her health care provider if she is taking any of these or other medications. Rifampin is known to decrease the effectiveness of combination oral contraceptives; its effect on levonorgestrel concentrations is unknown.