WWYD. Home Remedy/Duty of care?

WWYD.
Home Remedy/Duty of care?
A resident returns from the local chemist with over-the-counter painkillers They tell staff:
“I’ve always bought these myself. I don’t need permission to take them.”
The home’s medication policy requires all medicines, including over the counter products, to be checked, risk assessed, and recorded before use to ensure safe practice.
Some staff respond:
“It’s their medication and their choice.”
Others raise concerns about safety and legal responsibilities:
The resident becomes frustrated, saying:
“This is my home, not a hospital.”