Canterbury DHB


July 2023

Prescribing Guidelines

Prescribing in Breastfeeding


  • Clonidine has been added to the list of medicines considered “safe” when breastfeeding full-term healthy babies if it was taken during pregnancy or patient is under specialist care.
  • Maximum dose of prednisone considered “safe” for short courses was increased to 40 mg.
  • Codeine use during breastfeeding is controversial. Wording added acknowledging this.

Prescribing in the Larger Adult


  • New title (previously Prescribing in the Obese Adult) as not all large people are obese.
  • Figure to illustrate the proportion of fat-free mass in normal and larger weight patients added.
  • Examples of medicines that require a larger dose in a larger patient; and how to dose and monitor added.
  • Table to summarise weight terms, definitions and equations added.

Information about this Canterbury DHB document (1189207):

Document Owner:

Not assigned (see Who's Who)

Last Updated:

July 2023

Next Review Due:



Note: Only the electronic version is controlled. Once printed, this is no longer a controlled document.

Topic Code: 1189207