Fibromyalgia Pain & Function Protocol
Nancy Klimas's fibromyalgia protocol centers on physician-prescribed, off-label low-dose naltrexone paired with energy-envelope pacing. Every medication step here is informational and physician-only; this describes what a doctor manages, never a self-prescribing guide.
This describes Dr. Nancy Klimas's reported clinical approach to fibromyalgia, centered on low-dose naltrexone (LDN), an off-label, prescription-only medication, evaluated and titrated by a physician. It also incorporates weekly pain tracking and the same energy-envelope pacing method used in her ME/CFS work, since fibromyalgia and ME/CFS symptoms often overlap. This is informational content about a physician-managed medical treatment, not instructions for self-administration.
Why it worksâ–¼
Get evaluated by a physician familiar with fibromyalgia and LDN
LDN is prescription-only and off-label for fibromyalgia; it requires a physician who understands the risks and dosing.
LDN titration Klimas reports: 1.5 mg, then 3 mg, then 4.5 mg nightly
Gradual titration under physician supervision is how Klimas reports this being managed clinically.
Track pain weekly on a 0-10 scale
A placebo-controlled pilot study cited by Health Rising found about 60% of participants got at least a 30% pain reduction on LDN, so tracking helps you and your physician see if you're responding.
Pair LDN with separate physician-guided sleep management
Setting accurate expectations avoids treating LDN as a complete fix for every fibromyalgia symptom.
Energy-envelope pacing around flares
Post-exertional symptom flares are common in fibromyalgia as well as ME/CFS; pacing helps limit boom-bust cycles.
Reassess with your physician at each dose step
Off-label medication use should be monitored and adjusted by the prescriber, not managed independently.
- People diagnosed with fibromyalgia already working with, or seeking, a physician experienced with LDN
- Anyone wanting to understand the honest evidence picture for LDN in fibromyalgia (pain benefit, but not reliably sleep or fatigue)
- Not a self-prescribing guide; LDN is prescription-only and off-label
- LDN is off-label and prescription-only; it is not FDA-approved for fibromyalgia
- Never self-prescribe or source naltrexone without a physician
- Drug interactions, especially with opioids, can be serious; tell your doctor about every medication and supplement you take
- Fibromyalgia requires diagnosis and ongoing care from a physician; this is pacing and tracking support, not a treatment plan on its own
- Educational only, not medical advice
- July 8, 2026 Protocol published.
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Not medical advice. This page is for education only and is not a substitute for professional medical care. Consult a qualified clinician before changing your health routine.
Independent curation. YourProtocol.ai is an independent platform. This protocol is based on the publicly available work of Nancy Klimas and is not created, reviewed, endorsed by, or affiliated with Nancy Klimas or MD, Director, Institute for Neuro-Immune Medicine · Nova Southeastern University.