Medical Directive vs Direct Order for Cosmetic Injectables

Why authorization is needed at all

Injecting is a controlled act. An RN or RPN does not inject on their own authority; they act under an authorizing mechanism from a physician or nurse practitioner. The College of Nurses of Ontario sets out how nurses accept and act on orders and directives safely.

Direct order: one patient at a time

With a direct order, a prescriber assesses a specific client and gives patient-specific instructions — for example, the product, dose and sites for that individual. It is precise and tightly linked to an assessment, but it requires the prescriber's involvement for each client.

Medical directive: pre-authorized for a defined group

A medical directive is a written order, prepared in advance by an authorized prescriber, that applies to any patient who meets the criteria it sets out. It lets a nurse proceed without a new order each time, provided the directive's conditions, contraindications and documentation requirements are met. Comparison — Applies to — Direct order: One specific patient; Medical directive: Any patient meeting set criteria. Prepared — Direct order: At the time of care; Medical directive: In advance, in writing. Prescriber assessment — Direct order: Patient-specific; Medical directive: Built into criteria; may still require assessment. Best suited to — Direct order: Complex or first-time cases; Medical directive: Routine, well-defined treatments.

What's changing in Ontario

This area is actively evolving. In 2026 the CNO updated its guidance on cosmetic procedures, and there has been public discussion — reported by CBC News — about whether a medical director should sign off each time a nurse performs a cosmetic controlled act, which would narrow reliance on standing directives. Because requirements may tighten, confirm the current position with the CNO before relying on any arrangement. The Canadian Nurses Protective Society also offers legal guidance for nurses providing cosmetic services.

What this means for your training

A worked example: how a clinic might use each

Imagine a med spa offering routine glabellar (frown-line) neurotoxin treatment. For an established, healthy returning client whose treatment is well within a clearly written medical directive, a nurse might proceed under that directive, documenting that the client meets every criterion it sets. For a brand-new client with a complex history, a more cautious approach is a direct order after the prescriber assesses that specific person. The same clinic can use both mechanisms depending on the situation. The point is that directives and direct orders are tools for different levels of risk and familiarity, not interchangeable rubber stamps. A well-run clinic maps out, in advance, which treatments and client types fall under a directive and which require patient-specific orders — and trains its team to know the difference.