Thalidomide Rifampicin
ModerateThe leaflet lists rifampin (rifampicin) among the drugs that interfere with hormonal contraceptives when used at the same time. It does not say how this affects thalidomide itself, and it gives no advice about what to do.
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.