The PHQ-9 Nine Symptom Checklist is a tool developed by Pfizer for assessing the severity of symptoms of depression. It is commonly used by healthcare professionals to screen and monitor patients with depression.
Q: What is the PHQ-9?
A: The PHQ-9 is a nine-item checklist for assessing symptoms of depression.
Q: Who developed the PHQ-9?
A: The PHQ-9 was developed by Pfizer, a pharmaceutical company.
Q: What does the PHQ-9 measure?
A: The PHQ-9 measures the severity of depression symptoms.
Q: How is the PHQ-9 used?
A: The PHQ-9 is often used by healthcare professionals to screen for depression and monitor treatment progress.
Q: What are the nine symptoms assessed by the PHQ-9?
A: The nine symptoms assessed by the PHQ-9 include depressed mood, loss of interest or pleasure, changes in appetite or weight, sleep disturbances, psychomotor agitation or retardation, fatigue or loss of energy, feelings of worthlessness or guilt, difficulty concentrating, and thoughts of death or suicide.
Q: Is the PHQ-9 a diagnostic tool?
A: The PHQ-9 is not a diagnostic tool, but it can help identify the presence and severity of depression symptoms.
Q: Can the PHQ-9 be used by individuals to self-assess their own depression symptoms?
A: Yes, individuals can use the PHQ-9 as a self-assessment tool, but it's recommended to consult a healthcare professional for a formal evaluation and diagnosis.
Q: Is the PHQ-9 specific to the United States and Canada?
A: No, the PHQ-9 can be used internationally as a tool for assessing depression symptoms.