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Fatigue Severity Scale

The Fatigue Severity Scale (FSS) is useful for measuring fatigue levels. Get Carepatron's free PDF download to use this scale effectively.

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By Wynona Jugueta on Aug 2, 2025.

Fact Checked by Ericka Pingol.

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Fatigue Severity Scale Template

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Commonly asked questions

A Fatigue Severity Scale (FSS) is a tool used to measure the impact of fatigue on a person's daily activities and overall quality of life. It consists of a nine-item questionnaire, with each item rated on a seven-point scale.

The Fatigue Severity Scale (FSS) uses a grading scale from 1 to 7, where 1 means "strongly disagree" and 7 means "strongly agree" with statements about fatigue. The total score ranges from 9 to 63, with higher scores indicating greater fatigue severity.

Fatigue levels are measured by having patients complete the Fatigue Severity Scale (FSS) questionnaire, rating their agreement with each statement about fatigue on a scale of 1 to 7. The scores are then summed or averaged to determine the overall severity of fatigue.

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