What Happened
A registered nurse at a Worcester County, Massachusetts nursing home pleaded guilty to tampering with liquid morphine prescribed to a dementia patient in her care, then let the diluted dose be administered before the tampering was discovered.
A registered nurse was employed by the nursing home. From approximately 11:00 p.m. on November 6, 2020 until 7:00 a.m. the following morning, she was on duty alone in a unit specializing in care for residents with dementia. During that overnight shift, while entrusted with the care of a resident suffering from dementia, she tampered with a bottle of the patient's prescribed morphine sulfate by removing some of the drug and adding water to the remaining supply. A nurse on the following shift administered the adulterated morphine to the patient before anyone realized it had been diluted.
She was arrested and indicted in April 2021 and pleaded guilty to one count of tampering with a consumer product and one count of obtaining a controlled substance by fraud and deception. Sentencing was scheduled for August 15, 2022, with the tampering count carrying a potential sentence of up to 10 years in prison and the fraud count up to four years.
What Went Wrong
A single nurse working an unsupervised overnight shift on a dementia care unit was able to dilute a vulnerable patient's morphine, and the tampered bottle was used on the next shift before anyone caught it. Key failures included:
- Liquid morphine bottles assigned to a specific patient were not checked for volume, weight, or potency between shifts, letting a diluted bottle pass to the next nurse unnoticed.
- A single nurse had unsupervised, solo access to a dementia patient's medication overnight, with no second-person verification before or after administration.
- Dementia patients are especially poor at self-reporting inadequate pain control, removing a natural check that might otherwise have flagged the diluted dose sooner.
- No shift-to-shift reconciliation process existed to compare the volume of morphine remaining in a patient's bottle against what should have been administered.
How It Could Have Been Prevented
- Require a documented, witnessed volume or weight check of liquid controlled-substance bottles at every shift change, especially on units serving cognitively impaired residents.
- Randomly sample liquid morphine and other liquid narcotics for potency testing to catch dilution before a diluted dose reaches a patient.
- Flag solo overnight access to controlled substances on dementia and memory-care units for closer supervision or camera-monitored medication rooms.
- Train staff on subsequent shifts to recognize signs of inadequate pain control in non-verbal or cognitively impaired residents as a possible tampering indicator.
Related Guidance
- Diversion prevention checklist — Self-assessment covering nursing home medication administration controls.
- 15 Red Flags of Drug Diversion — Behavioral and recordkeeping indicators of diversion by clinical staff.
- Waste Documentation Policies — Witnessed waste and documentation requirements for controlled substances.
- Signs of Medication Diversion — Recognizing diversion indicators in residents unable to self-report.
- More Diversion Case Studies — Additional nursing home and long-term care diversion cases.