A 35-year-old woman with long-standing substance use disorder, depression, and chronic pain died from combined drug toxicity involving methadone, pregabalin, methamphetamine, benzodiazepines, mirtazapine, promethazine and paracetamol. Critical clinical failures included: prescription shopping across multiple clinics (at least 4 doctors prescribing overlapping pregabalin, benzodiazepines, and mirtazapine); contraindicated benzodiazepine prescribing despite documented substance use disorder and opioid replacement therapy; long-term benzodiazepine use without cessation strategy; and unsupervised methadone dosing (5 doses weekly) despite multiple risk factors. Doctors failed to notify Drugs and Poisons Regulation despite awareness of drug dependence. No real-time prescription monitoring existed. Better coordination between prescribers, adherence to prescribing guidelines for benzodiazepines and pregabalin, supervised methadone dosing, and a prescription monitoring system could have prevented this death.
AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.
excessive prescribing of pregabalin without awareness of other prescriptions
long-term benzodiazepine prescribing without cessation strategy
contraindicated benzodiazepine prescribing to opioid-dependent patient
failure to notify Drugs and Poisons Regulation despite evidence of drug dependence
unsupervised methadone dosing to unstable patient with contraindications
lack of inter-clinic communication and coordination
absence of real-time prescription monitoring system
inadequate assessment of pregabalin abuse potential
use of illicit methamphetamine in combination with prescribed drugs
Coroner's recommendations
The Royal Australian College of General Practitioners should provide education to its members as to the need for caution in prescribing pregabalin due to its risk of misuse and its potential for harm
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