To amend titles XVIII and XIX of the Social Security Act to provide for continuity of Medicare prescription drug coverage for full-benefit dual eligible individuals, for Medicare prescription drug coverage of benzodiazepines and off-label uses of certain prescription drugs and biological products, for optional Medicaid coverage of Medicare prescription drug cost-sharing for full-benefit dual eligible individuals, and for authorization to the Secretary of Health and Human Services to waive certain determinations denying Medicare prescription drug coverage.