PHQ-9

Patient Health Questionnaire-9

9 items

Score 0–27

past 2 weeks

A 9-item self-report measure of depression severity keyed to the DSM-5 criteria for major depressive disorder. Widely used for primary-care and specialty screening, treatment response tracking, and remission monitoring.

Your responses are scored in your browser and are never sent to or stored on our servers.

Over the last 2 weeks, how often have you been bothered by any of the following problems?

0 / 9 answered

Little interest or pleasure in doing things

Feeling down, depressed, or hopeless

Trouble falling or staying asleep, or sleeping too much

Feeling tired or having little energy

Poor appetite or overeating

Feeling bad about yourself — or that you are a failure or have let yourself or your family down

Trouble concentrating on things, such as reading the newspaper or watching television

Moving or speaking so slowly that other people could have noticed — or the opposite, being so fidgety or restless that you have been moving around a lot more than usual

Thoughts that you would be better off dead, or of hurting yourself in some way

Licensing

Developed by Drs. Robert L. Spitzer, Janet B.W. Williams, Kurt Kroenke and colleagues with an educational grant from Pfizer Inc. No permission required to reproduce, translate, display or distribute.

Citation

Kroenke K, Spitzer RL, Williams JB. The PHQ-9: validity of a brief depression severity measure. J Gen Intern Med. 2001 Sep;16(9):606-13.

This tool is for education and clinical decision support — it does not substitute for a full clinical evaluation. Always interpret results in the context of a complete history and exam.