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.
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Patient Health Questionnaire
The PHQ-9 can be used to plan and monitor treatment for depression in primary care.
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Print Version
Clinical Guidelines
- 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)