The PHQ-9 is a short questionnaire designed to help identify and measure symptoms of depression.

It asks about how you’ve been feeling over the past two weeks, and includes questions about:

Mood and interest in activities

Energy and sleep

Appetite and concentration

Feelings about yourself

Thoughts of self-harm or hopelessness

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🧠 Why is it used?

The PHQ-9 helps:

Understand your current emotional wellbeing

Identify if you might be experiencing depression

Monitor changes in mood over time

Guide discussions in therapy or with your GP

It’s widely used in the NHS, therapy services, and mental health assessments.