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Controlled drug instalment prescription — GPhC CRA MCQ

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ModeratePharmacy Law and EthicsControlled drug instalment prescriptionGPhC CRA

A prescription for methadone instalments includes dates for daily supervised consumption. The patient asks to collect three future instalments early before a weekend trip. What is the legal classification/requirement?

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Correct answer: A — Supply must follow the instalment directions unless legally amended by the prescriber

Instalment prescriptions for controlled drugs must be supplied according to the prescriber's directions and legal requirements. Changes to instalment timing require appropriate prescriber amendment or lawful authority. Early unscheduled supply can create safety and diversion risks.

Reference: Misuse of Drugs Regulations 2001; MEP