Impact of a Nationwide Limited Prescribing List: Preliminary Findings

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Abstract
In the Republic of Ireland, the state pays the cost of medical care for around 40 percent of the population through the General Medical Services (GMS). Doctors treating GMS patients are entitled to prescribe from an approved list of drugs. In October 1982, many antacids, cough and cold preparations, antihistamines, and mild analgesics were removed from the GMS prescribing list. The visiting rate and the amount of prescribing fell in the GMS during 1982–83. Drug utilization within the GMS was measured using prescription numbers and in the total population using data obtained from pharmaceutical wholesalers expressed as defined daily doses. These results showed substantial changes in GMS prescribing in the utilization of mefenamic acid, carbocysteine, and H2-receptor antagonists associated with the introduction of the limited list, suggesting a switch to these agents from delisted preparations. The therapeutic and economic implications of this policy are discussed.