A brief questionnaire such as the free, online Patient Health Questionnaire (PHQ-9) aids diagnosis and assesses severity of the depression. As a screening tool, the PHQ-9 can assist in diagnosis, and also serve as a symptom severity tracker to help assess the effectiveness of the treatment plan.
Patient Health Questionnaire
The PHQ-9 can be used to plan and monitor treatment for depression in primary care.
- Canadian Anxiety Disorders Treatment Guidelines (2014)
- Generalised anxiety disorder and panic disorder in adults: management (NICE guideline CG113 2019)
- Social anxiety disorder: recognition, assessment and treatment (NICE guidelines CG159, 2013)