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Codeine – A Medication Update

CPD Hours

1.0

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Medications

Overview

Codeine is a drug that can deceptively do more harm than good, particularly for certain patient populations.

This was especially highlighted when, back on 1 February 2018, codeine was up-scheduled by the Australian Therapeutic Goods Administration (TGA) to a Schedule 4 - prescription only medication.
Previously, many products that contained low-dose codeine (< 30 mg) were available over-the-counter as Schedule 2 and Schedule 3 medications.

The decision for up-scheduling was made in response to evidence provided by medical experts that, with codeine being an opioid medication, use of these low-dose codeine-containing medications particularly, that are usually combined with paracetamol or non-steroidal anti-inflammatory drugs (NSAIDs), can be associated with severe health risks for patients.

These risks include dependence, tolerance, toxicity, and even mortality, in some cases.  However, research has shown that these low-dose codeine-containing combined medications generally have no more therapeutic effect than non-codeine medications.

Despite this, these low-dose codeine-containing combined medications and codeine alone, may still be deemed an appropriate line of treatment in some circumstances.

To fulfill their responsibilities of administration, nurses and midwives need to have a thorough knowledge of codeine. These responsibilities are amplified for nurse practitioners and midwives with scheduled medicines endorsement who can be authorised prescribers of these codeine-containing medications to their patients when appropriate.

Some nurses and midwives in rural and remote areas can also supply codeine-containing medications to patients in certain circumstances, under protocol.  Hence, this medication update on codeine is relevant to nurses and midwives in all these roles.

Learning Objective

At the end of this module participants will be able to:

  • Describe the drug class and mechanism of action for codeine.
  • Identify what route codeine may be administered by.
  • Discuss the indications for treatment with codeine.
  • Explain the contraindications for treatment with codeine.
  • Discuss how specific drugs may potentially interact with codeine.
  • Identify the recommended dosages for codeine when used for different indications.
  • Describe the precautions for treatment with codeine.
  • Explain the potential adverse effects of treatment with codeine.

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