Safety and errors

This site explains the concepts and terminology behind medication dosing — it never publishes actual doses, schedules or amounts, because dosing is individual and determined by a qualified professional. Nothing on this page replaces the advice of your prescriber or pharmacist.

This category groups together concepts that help a reader understand how errors can occur in the process of taking or prescribing medication, what those errors are called, and why recognising them matters for safe use.

Concepts in this category

Why these concepts matter

Where to get an answer about your own case

Pages in this Category

  • What a medication error is

    A plain-language explanation of what a medication error is, why the concept matters for patient safety, and how errors differ from side effects or adverse reactions.

  • What a medication reconciliation is

    An explanation of what a medication reconciliation is, why it happens, and who resolves any dosing questions it raises.

  • What an adverse reaction is

    A plain-language explanation of what an adverse drug reaction means, why the concept exists, and how it differs from a side effect or allergy.

  • What polypharmacy means

    An explanation of what polypharmacy means, why managing multiple medicines creates complexity, and why professional oversight is always needed.