On Day 2 of Cycle 1, you will begin taking lenalidomide 1 time each day until Day 21, then you will have a 7 day-rest period. For Cycle 2 and every cycle after that, you will take lenalidomide 1 time each day on Days 1-21 followed by a 7-day rest period. Lenalidomide is a capsule that you will take by mouth with water. The capsules should be swallowed whole. You should not break, chew, or open the capsules.