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Other Medical Calculators
Fatigue Severity Scale

Fatigue Severity Scale

Global assessment of fatigue impact.

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About Fatigue Severity Scale

The Fatigue Severity Scale (FSS) is a widely utilized, nine-item psychometric scale designed to quantify the impact and severity of fatigue on an individual's daily life. Each item is rated on a 7-point Likert scale, ranging from 1 (strongly disagree) to 7 (strongly agree), assessing how fatigue interferes with physical functioning, daily activities, and motivation. The total score, ranging from 9 to 63, helps clinicians and researchers evaluate the level of fatigue experienced, identify potential functional limitations, and monitor treatment effectiveness. It is particularly valuable for individuals experiencing chronic fatigue associated with various medical conditions, providing a standardized measure for clinical assessment and research.

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Medical Disclaimer
This tool is for educational and screening purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.