Health

Fatigue Severity Scale (FSS)

Rate your fatigue on 9 statements (1=strongly disagree, 7=strongly agree).

1. My motivation is lower when I am fatigued

2. Exercise brings on my fatigue

3. I am easily fatigued

4. Fatigue interferes with my physical functioning

5. Fatigue causes frequent problems for me

6. My fatigue prevents sustained physical functioning

7. Fatigue interferes with duties/responsibilities

8. Fatigue is among my 3 most disabling symptoms

9. Fatigue interferes with work/family/social life

FSS Mean Score—

Interpretation—

Mean score of 9 items. ≥4: Significant fatigue. Higher = more severe.