Tell your doctor if you use any drugs that weaken your immune system, such as:
other cancer medicines;
steroids (prednisone and others); or
medicines to prevent rejection of a transplanted organ.
This list is not complete. Other drugs may interact with sipuleucel-T, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
 Provenge drug interactions (more detail)
