FSS PDF Download
Fatigue Severity Scale
Validated 9-item scale measuring fatigue severity and its impact on daily functioning. Widely used for chronic fatigue, MS, and post-viral syndromes.
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Catch early warning signs before the next session
The FSS is a validated fatigue assessment tool
When to Use the FSS
FSS Scoring Guide (Score Range: Mean 1-7)
| Score | Severity Level | Clinical Action |
|---|---|---|
| < 3 | No significant fatigue | No intervention |
| 3-4 | Mild fatigue | Lifestyle modifications |
| 4-5 | Moderate fatigue | Investigate causes; structured management |
| > 5 | Severe fatigue | Comprehensive fatigue workup |
Key Features of the FSS
- Mean score interpretation
- ≥4 indicates clinical significance
- Validated across conditions
Frequently Asked Questions About the FSS
What is the FSS?
The FSS (Fatigue Severity Scale) is a 9-item assessment tool. Validated 9-item scale measuring fatigue severity and its impact on daily functioning. Widely used for chronic fatigue, MS, and post-viral syndromes.
Is the FSS free to use?
Yes, the FSS is in the public domain and free for clinical use. No licensing fees required.
How is the FSS scored?
Scores range from Mean 1-7. No intervention
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