June 2018: Recommendation 1.2.13 was amended with advice on cognitive behavioural therapy (CBT) to bring it in line with current best practice and other NICE guidance. Recommendation 1.2.26 was updated with a link to the newest evidence on use of antipsychotics for treatment of generalized anxiety disorder. Recommendation 1.4.7 was added to give a link to existing guidance on identifying treatment options for common mental health problems. Recommendation 1.4.10 on low-intensity interventions for mild to moderate panic disorder and 1.4.13 on treatment for moderate to severe panic disorder were added, taken from the NICE guideline on common mental health disorders. Recommendations in section 1.4 on stepped care for people with panic disorder were reordered.