August 2019: We have reviewed the evidence and made new recommendations on diagnosis, monitoring and drug treatment for hypertension, and identifying who to refer for same-day specialist review. These recommendations are marked .
We have also made some changes without an evidence review:
the information on cuff size for measuring blood pressure was moved to avoid repetition
plasma glucose testing was replaced with glycated haemoglobin (HbA1C) to reflect current practice
a footnote was added because of concerns about the risks of salt substitutes in some groups
the information on when to refer to the hypertension in pregnancy guideline was made clearer.
These recommendations are marked [2004, amended 2019] or [2011, amended 2019].
Recommendations marked , , ,  and  last had an evidence review in that year. In some cases minor changes have been made to the wording to bring the language and style up to date, without changing the meaning.
December 2019: Recommendation 1.4.13 was amended to clarify that it applies to adults over 80 with stage 1 hypertension. We also made changes to introductory text to clarify that recommendations apply to all adults, including those with type 2 diabetes, unless links to other NICE guidelines indicate that treatment differs.