Medication Errors & Pharmacy Negligence in Oregon

Medication errors can harm patients at many points in their care. They span the full prescribing pipeline: a physician orders the wrong drug or wrong dose, a pharmacist fills the wrong prescription, a nurse administers it incorrectly, or no one catches a dangerous interaction with a drug the patient is already taking. The result can range from a brief reaction to permanent injury or death.

This article describes the common categories of medication errors that support Oregon malpractice and negligence claims, the legal standards that apply, and the deadlines that govern.

Where medication errors happen

The same medication-error categories show up across Oregon hospitals, clinics, and pharmacies:

• Prescribing errors. Wrong drug for the diagnosis, wrong dose for the patient's weight or kidney function, wrong route, wrong duration.
• Drug-interaction failures. A dangerous combination with a drug the patient already takes goes unrecognized or unaddressed.
• Dispensing errors at the pharmacy. Wrong drug pulled from the shelf (look-alike / sound-alike substitutions), wrong strength, wrong directions on the label.
• Administration errors. Wrong patient, wrong route, wrong rate. IV medications administered too rapidly, intramuscular medications given subcutaneously, oral medications crushed when they should not be.
• Monitoring failures. Failure to check baseline labs before starting a known nephrotoxic or hepatotoxic drug. Failure to check therapeutic levels for drugs with narrow safety windows. Failure to recognize and respond to a developing adverse reaction.

The legal standard for prescribers

Under ORS 677.095(1), a physician licensed by the Oregon Medical Board "has the duty to use that degree of care, skill and diligence that is used by ordinarily careful physicians in the same or similar circumstances in the community of the physician or a similar community."¹ That standard governs prescribing decisions, dosing, drug selection, and the duty to monitor for known side effects of a prescribed therapy.

An expert reviewing a prescribing-error case may look at the chart, the patient's medication list, the prescribing history, the labs (if relevant), and the documented response to the medication. The question is whether the prescribing decision met the care, skill and diligence of ordinarily careful physicians in the same or similar circumstances, in the physician's community or a similar one.

Pharmacist negligence

In Oregon, ORS 689.155 gives the State Board of Pharmacy responsibilities that include regulating the retail sale and the dispensing of medications, drugs, devices and other materials.² When a dispensing error occurs — a wrong drug pulled from the shelf, a wrong strength labeled, a wrong direction on the bottle — the legal questions are whether the pharmacist or pharmacy was negligent and whether the error caused harm.

Pharmacy claims are not always treated identically to claims against physicians under Oregon's limitations framework, and a lawyer should evaluate the specific deadline that applies to a pharmacist-only claim based on the facts. Where the same medication error involves both a prescribing physician and a dispensing pharmacist, the analysis often spans both frameworks.

Causation in medication-error cases

Not every medication error causes injury. Whether the wrong drug, wrong dose, or wrong administration caused harm is a separate question from whether a mistake occurred. Sometimes the link is hard to see — did the missed interaction cause the bleed, or would the bleed have happened anyway given the patient's underlying condition? Those are questions expert review addresses.

Limitations and the discovery rule

For prescribing errors and other medical decisions made by an Oregon physician, ORS 12.110(4) sets the deadline: the action must be commenced "within two years from the date when the injury is first discovered or in the exercise of reasonable care should have been discovered."³ In Gaston v. Parsons, 318 Or 247 (1994), the Oregon Supreme Court held that "injury," as used in ORS 12.110(4), "consists of three elements: (1) harm; (2) causation; and (3) tortious conduct." The court held that the period "begins to run when the plaintiff knows or in the exercise of reasonable care should have known facts which would make a reasonable person aware of a substantial possibility that each of the three elements (harm, causation, and tortious conduct) exists."⁴

The same subsection also sets an outer limit, called a statute of repose. It provides: "However, notwithstanding the provisions of ORS 12.160, every such action shall be commenced within five years from the date of the treatment, omission or operation upon which the action is based or, if there has been no action commenced within five years because of fraud, deceit or misleading representation, then within two years from the date such fraud, deceit or misleading representation is discovered or in the exercise of reasonable care should have been discovered."³

With medication errors, discovery often occurs at the moment of the adverse reaction — but not always. A drug interaction that produced silent organ damage may not be recognized until later imaging, lab work, or a subsequent hospitalization reveals the cause. Under Gaston, the question is when the patient knew or should have known facts that would make a reasonable person aware of a substantial possibility of harm, causation, and tortious conduct.⁴ Pharmacy-only dispensing claims may be subject to a different limitations analysis, and a lawyer should assess the specific deadline that applies to the facts.

Public hospitals and OTCA notice

The Oregon Tort Claims Act (OTCA) governs claims against public bodies. ORS 353.100 applies the Act to Oregon Health and Science University (OHSU) under the same terms as it applies to public bodies other than the state.⁵ Whether a county or district hospital or another provider is a "public body" depends on the institution and the definition in ORS 30.260(4).⁶

Under ORS 30.275(2), notice of claim must be given "within one year after the alleged loss or injury" for wrongful death and, for all other claims, "within 180 days after the alleged loss or injury." Those periods do not include up to 90 days during which the injured person is unable to give notice because of the injury or because of minority, incompetency or other incapacity. Under ORS 30.275(3), the notice requirement can be satisfied by formal notice of claim, actual notice of claim, commencing an action on the claim within the notice period, or payment of all or any part of the claim by or on behalf of the public body.⁷ ORS 30.275(9) separately provides that, with limited listed exceptions and notwithstanding the other limitations provisions in ORS chapter 12, the action itself must be commenced "within two years after the alleged loss or injury."⁷ Missing the OTCA notice deadline can extinguish an otherwise valid Oregon medication-error claim against a public defendant.

What a medication-error case looks like

The work in a medication-error case begins with the prescription, the dispensing record, the medication-administration record (MAR), the medication-reconciliation history, and the patient's full medication list — including over-the-counter drugs and supplements. Expert review by a physician (for prescribing or monitoring claims), a pharmacist (for dispensing claims), or both addresses whether the standard was met and whether the breach caused the injury. Oregon law separates economic and noneconomic damages. Under ORS 31.705, economic damages include reasonable charges necessarily incurred for medical, hospital and other health care services and past and future impairment of earning capacity, and noneconomic damages include pain, mental suffering and emotional distress.⁸

This article is educational

This article describes Oregon law in general terms. It is not legal advice and does not create an attorney-client relationship.

Time limits matter. Most Oregon personal-injury and auto-accident claims must be filed within two years of the injury or accident. Medical malpractice claims must be filed within two years of when you knew or reasonably should have known of the negligence, with an outer limit of five years from the act itself (with a fraud exception). Wrongful death claims must be filed within three years of the date of death. Claims against public bodies (cities, counties, state agencies, public hospitals) require a notice of claim within 180 days. Missing these deadlines typically ends a case.

If you think you may have a claim, call Huegli Law at 971-317-6436 for a free case review. Todd Huegli is licensed in Oregon and consults on cases in Oregon only.

Footnotes

1. ORS 677.095 — Duty of care; legal issues not precluded by investigation or administrative proceeding. https://oregon.public.law/statutes/ors_677.095 ↩

2. ORS 689.155 — Authority of board over medications, drugs, devices and other materials; rules. https://oregon.public.law/statutes/ors_689.155 ↩

3. ORS 12.110 — Actions for certain injuries to person not arising on contract; action for overtime or premium pay; action for professional malpractice; effect of fraud or deceit; action for injuries to person arising from nuclear incident. https://oregon.public.law/statutes/ors_12.110 ↩ ↩²

4. Gaston v. Parsons, 318 Or 247 (1994) (Caselaw Access Project). https://static.case.law/or/318/cases/0247-01.json ↩ ↩²

5. ORS 353.100 — Applicability of laws to university. https://oregon.public.law/statutes/ors_353.100 ↩

6. ORS 30.260 — Definitions for ORS 30.260 to 30.300. https://oregon.public.law/statutes/ors_30.260 ↩

7. ORS 30.275 — Notice of claim; time of notice; time of action. https://oregon.public.law/statutes/ors_30.275 ↩ ↩²

8. ORS 31.705 — Economic and noneconomic damages separately set forth in verdict; "economic damages" and "noneconomic damages" defined. https://oregon.public.law/statutes/ors_31.705 ↩