Disclaimer: This PHQ-9 screening tool is for educational purposes only. It is not a diagnostic tool and should not be used as a substitute for professional medical advice, diagnosis, or treatment. If you are experiencing a mental health crisis or having thoughts of self-harm, please contact a healthcare professional or a local emergency service immediately. Use of this site does not establish a doctor-patient relationship.

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Person completing PHQ-9 depression screening questionnaire online on laptop

What Is the PHQ-9? Complete Guide to the Gold Standard Depression Screening Tool

Depression is one of the most common mental health conditions worldwide, and the PHQ‑9 is the most widely used short questionnaire to screen for it in primary care, hospitals, and research. The Patient Health Questionnaire‑9 (PHQ‑9) is a simple, 9‑item self‑report tool that helps identify possible depression...

Medical Disclaimer: The PHQ-9 (Patient Health Questionnaire-9) tool provided on this website is intended for informational a nd educational purposes only. It is not a clinical diagnosis and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or another qualified health provider with any questions you may have regarding a medical condition.

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