Fatigue Severity Scale

Assess fatigue severity. 9 items, 1–7 scale. Used in MS, chronic fatigue.

Questionnaire (1-7 Scale)

1. My motivation is lower when I am fatigued.

DisagreeAgree

2. Exercise brings on my fatigue.

DisagreeAgree

3. I am easily fatigued.

DisagreeAgree

4. Fatigue interferes with my physical functioning.

DisagreeAgree

5. Fatigue causes frequent problems for me.

DisagreeAgree

6. My fatigue prevents sustained physical functioning.

DisagreeAgree

7. Fatigue interferes with carrying out certain duties and responsibilities.

DisagreeAgree

8. Fatigue is among my three most disabling symptoms.

DisagreeAgree

9. Fatigue interferes with my work, family, or social life.

DisagreeAgree

Score Analysis

Average Score1.0/ 7

InterpretationNormal / No Significant Fatigue

Clinical Context

Your mean score is 1.0. In clinical settings, a score of 4 or higher typically warrants further investigation into causes like sleep disorders, thyroid issues, or autoimmune conditions.

Overview

FSS: 9 items, 1–7. Average ≥4 = significant fatigue.

Fun Facts

Formula: Average of 9 items.