Tell your doctor if you also use pembrolizumab (Keytruda).
If you use hormonal birth control (pills, implants, injections) to prevent pregnancy: There are certain drugs that can make hormonal birth control less effective in your body. Tell your doctor about all other medicines you use. You may need to replace your hormonal birth control method with another effective form of contraception.
Other drugs may interact with lenalidomide, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.
 Revlimid drug interactions (more detail)
