Setare Nassiri, Zahra Karimian, Kobra Tahermanesh, Maryam Farasatinasab
"Pro re nata" (PRN) or "as needed" medicine administration and usage is a relatively neglected area in medication management (pharmacotherapy/pharmaceutical care) which contributes to error-prone use of medications and is unsafe for patients. In this case, we report the incident of diclofenac toxicity in a 51-year-old woman due to a prescription of 100 mg diclofenac suppositories PRN, or as needed, for postoperative pain control without explanation of the maximum daily dose (150 mg daily), which led to arbitrary consumption of 3 g of diclofenac over 5 days (600 mg daily) by the patient, and subsequent development of metabolic acidosis, acute kidney injury, and sudden cardiac arrest...
February 27, 2023: Journal of Healthcare Risk Management: the Journal of the American Society for Healthcare Risk Management