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Parenteral opioids 

Parenteral opioids
Parenteral opioids

Jeremy R. Johnson

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date: 30 July 2021

Opioids can be administered parenterally when the oral route is not suitable. Continuous subcutaneous infusion is safe, comfortable and effective. Morphine and diamorphine are the commonly used World Health Organization (WHO) step III opioids. Other strong opioids can be given via continuous subcutaneous infusion. Equianalgesic tables should be used with caution. When converting between different formulations and routes, err on the side of caution, monitor the patient and retitrate as necessary.

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