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Medicaid prescription drug coverage: state efforts to control costs.

This paper provides a brief summary of the Medicaid prescription drug benefit. It explains the mechanisms being used by states to control their prescription drug spending within the Medicaid program. The paper also highlights some of the concerns that have been expressed with these mechanisms and the litigation that has been initiated in several states as a result of these efforts. It takes a closer look at three states with cost-containment strategies that have been the focus of increased scrutiny.