This a link to the recommendations for the management of PMR which were issued in 2015.
And this is a link to the GCA Guidelines from 2020:
academic.oup.com/rheumatolo...
which will also be relevant to a PMR diagnosis.
The NICE PMR management advice for Drs.
cks.nice.org.uk/polymyalgia...
This is a link to the easier to read GCA Guidelines