Revlimid is a medication used to treat types of multiple myeloma, mantle cell lymphoma, follicular lymphoma, marginal zone lymphoma, and anemia in myelodysplastic syndromes (MDS) in adults. Revlimid helps to slow cancer growth, block new blood vessel growth in tumors, and help the immune system fight cancer. Revlimid is available as capsules that are taken once a daily.