GREEN: for use in adults
GREEN: Alternative options if 1st line options are not suitable for the treatment of chronic primary pain. See non-malignant chronic pain in primary care guidance.
GREY after consultant/specialist initiation 2nd line use in children as per NICE (Decision date - June 2018)
Cost effective to prescribe generically.
DO NOT PRESCRIBE (DNP): Not to be prescribed by brand - Lustral. (Decision date - August 2019)