Minor changes since publication
May 2022: We added a link to NICE's guideline on medicines associated with dependence or withdrawal symptoms in section 1.3.10.
October 2021: We added a link to NICE's guideline on shared decision making in recommendation 1.3.1.
August 2021: Cross reference to NICE's guideline on obstructive sleep apnoea/hypopnoea syndrome and obesity hypoventilation syndrome in over 16s added to recommendation 1.4.35 and the related rationale.
June 2020: Cross reference to NICE's guideline on supporting adult carers added to recommendation 1.1.5.