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What Your Endocrinologist Should Know About Fibromyalgia (FMS) and Chronic Myofascial Pain (CMP) by Devin J. Starlanyl MD

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What Your Endocrinologist Should Know About Fibromyalgia (FMS) and Chronic Myofascial Pain (CMP)

by Devin J. Starlanyl MD

This information may be freely copied and distributed only if unaltered,
with complete original content including: © Devin Starlanyl, 2003.

Please read “What Everyone on Your Health Care Team Should Know About FMS and CMP”.


The key to unraveling the Gordian knot fibromyalgia (FMS) is gaining as much control as possible over the perpetuating factors. When those perpetuating factors are metabolic, the patient’s hope for symptom relief lies with you. Hormones, peptides, neurotransmitters and other informational substances may be out of balance. These patients may present a seemingly overwhelming challenge. Remember that it’s pretty overwhelming to the patient too. They may have seen doctor after doctor who have either dismissed them or passed them on like hot potatoes until they wind up in your waiting room. By then, they are worn out physically, emotionally and financially, and may feel hopeless. You can supply the hope that they need. Often, there may be co-existing conditions, such as myofascial trigger points (TrPs), that have their own set of perpetuating factors.

You need to know how to recognize TrPs and their referred pain patterns to make a good differential diagnosis, and because the peripheral stimulation they cause in the form of pain will continue to aggravate the central sensitization of FMS (Borg-Stein 2002). Trigger points may be associated with autonomic concomitants and proprioception dysfunction. They can also cause very real and sometimes intense pain that seems to derive from the viscera and may add to diagnostic confusion (Gerwin R. D. 2002). Nodules, ropy bands and pain at the end of a restricted range of motion signals TrPs, not FMS. There is no such thing as a fibromyalgia trigger point.

Metabolic imbalances, such as vitamin and mineral inadequacies, hypothyroid or hypoglycemia states, are very common perpetuators of myofascial TrPs. They are also possible FMS perpetuators. A detailed explanation of them is given in the most recent Trigger Point Manual (Simons, Travell and Simons 1999), along with some therapeutic guidelines.

The standard testing may be insufficient to identify these perpetuating factors. The Trigger Point Manual is clear to state that vitamin and mineral deficiency are not required to aggravate TrP symptoms. Inadequacy of these nutrients may be the limiting step to important metabolic pathways. Some of these patients have absorption problems or dysfunctions in the metabolic pathways, and levels at the tissue may need monitoring. Standard testing panels may not be reliable indicators.

For example, the standard TSH test relies on a healthy, functioning hypothalamus, but the HPA axis is often out of balance in FMS. Standard thyroid panels may come back normal, but if the patient is thyroid resistant, they may require supplementation with T3 (Lowe, Cullum, Graf Jr., et al. 1997). Even if the FMS patient has low thyroid levels, a combination of T3 and T4 may be more effective than T4 alone (Eisinger 1999). If thiamin levels are low and patients have hypothyroid symptoms, adding adequate thiamine may adequately treat the symptoms (Simons, Travell and Simons 1999, p 102).

If the patient is already on thyroid supplementation and yet has inadequate thiamine intake and thiamine supplementation is added, symptoms of hyperthyroid may appear, so it is time to titrate the thyroid dose. Check for hypometabolism and thyroid resistance, which will not show up on standard thyroid panels (Lowe, 2000). Topical (Starlanyl, Jeffrey, Roentsch, et al. 2001-2002) or oral T3 may be of use in FMS patients if hypothyroid symptoms are present. It is important to test free testosterone, and not just total testosterone, to get an accurate picture of this hormone’s status (Teitelbaum, 2001).

In FMS, multiple neuroendocrine pathways are disturbed, but we aren’t sure if these are a result or a cause of FMS (Crofford, 1998). The hypothalamic-pituitaryadrenal (HPA) axis seems to be one of the first axes to become dysfunctional. This axis affects the immune system, the gonadal axes, the growth hormone axes, and the thyroid axes, which all in turn exert influence back on the HPA axis. This can work to your patient’s advantage, and yours, but you must proceed very slowly and carefully. All of these axes can be profoundly influenced by insulin resistance, which is an extremely common perpetuator of both FMS and chronic myofascial pain (CMP).

The “fibromyalgia fat pad” over the belly is often an early warning flag, even in people who are not obese. Unless excess carbohydrates are removed from the equation, there is a high risk of developing metabolic syndrome (Peters, Schweiger, Fruwald-Schultes. et al. 2002) or at least insulin resistance (Farias-Silva, Sampaio-Barros, Amaral et al.2002). Up to 80% of patients with metabolic syndrome die from cardiovascular complications, so it is vital that the insulin resistance component of this condition be treated aggressively (Lombard, Augustyn, Ascott-Evans 2002).

The metabolic syndrome is highly prevalent and associated with a dysfunctional HPA axis (Tsigos, Chrousos 2002) often overlooked, and may have far-reaching health implications. Many researchers consider FMS to be a form of dysautonomia (Raj, Bruillard, Simpson 2000). If the ANS is chronically stimulated, there “is a prevalent and potent risk factor for adverse cardiovascular events, including mortality” (Curtis, O’Keefe. 2002).

Fibromyalgia must not be taken lightly.

Some of the dysfunctions that are commonly associated with FMS are:

- Altered functioning of both somatotropic and lactotropic axes during sleep (Landis, Lentz, Rothermel 2001).
- Cognitive dysfunction (Park, Glass Minear et al. 2001; Grigsby, Rosenberg, Busenbark 1995).
- Fragmented sleep (Drewes, Gade, Nielsen et al. 1995).
- Growth hormone and prolactin imbalances (Bennett, Clark, Walczyk. 1998; Griep, Boersma de Kloet. 1994).
- Neurally mediated hypotension (Bou-Holaigah, Calkins, Flynn et al. 1997).
- Orthostatic intolerance (Martinez-Lavin, Hermosillo, Mendoza et al. 1997).
- Raynaud’s syndrome (Bennett 1991).
- Sensory dysfunctions (Kosek, Ekholm, Hansson 1996).
- Tissue resistance to a variety of hormones (Tsigos, Chrousos 2002).

These are but a few samples of a large body of research in related fields. Yet there are still some doctors who refuse to believe that fibromyalgia even exists.

Fluid retention syndrome is common in women with FMS. Its range of symptoms is wide, and it may add to fatigue, weakness and pain (Deodhar, Fisher, Blacker et al. 1994). A diffuse bloated feeling and variable weight are flags that warn of possible insulin resistance. Edema can start with the release of sensitizing substances such as histamine, bradykinin or prostaglandins) during times of trauma (including repetitive use).

In cases of central sensitization such as FMS, nociceptors keep firing after the sensitizing substances are gone. Resulting edema may compress blood and lymph vessels. This contributes to local microcirculation problems, which, in turn, causes the release of more sensitizing substances. This cycle will also contribute to myofascial TrPs.

Check for malabsorption if oral supplementation does not appear to be effective. Look upstream in metabolic pathways. For example, if the amount of available inositol is insufficient, thyroid supplementation may not be effective. [If your patient has bipolar disorder as well, avoid inositol, as it reverses the action of many common medications given for this condition (Williams Cheng, Mudge et al. 2002)]. In a patient who has uncontrolled FMS for a long time, or who has both FMS and chronic myofascial pain or other co-existing conditions, a “...combination of multiple, mild impaired responses may lead to more profound physiologic and clinical consequences as compared with a defect in only one system...” (Adler, Manfredsdottir, Creskoff 2002).

Inadequate pain control may also influence endocrine balance. Never underestimate the effect of myofascial TrP pain augmented by FMS amplification. “Significant knowledge deficits regarding currently accepted principles of pain management practice as well as beliefs that could interfere with optimal care, mandate a need for educational interventions....Unwarranted fear of addiction is a misunderstood and important concept that needs to be addressed” (Lebovits, Florence, Bathina. et al. 1997). Add that to the misery the patient may feel if s/he has been disbelieved, untreated, and/or mistreated, and there may be iatrogenic
depression. Chronic pain itself can cause depression (Hendler 1984). Reassure your patient that the key to dealing with these conditions is identifying and controlling the perpetuating factors, and that you can help.

Hope is a great medicine. These conditions are complex, and they take time, a good diagnostic eye, and may require education of the patient and the patient’s insurance carrier as well.

It may be difficult to sort out all the symptoms and medications. Often, new meds have been added, and supplements as well, and they may be interacting and causing more symptoms. For example, the combination of Zoloft, melatonin and a high protein diet (such as for metabolic syndrome) can cause toxic neuropathy (Lehman, Johnson 1999). This may seem overwhelming, but be patient. Start with those symptoms that are perpetuating the cycle, such as lack of restorative sleep (Meerlo, Koehl, van der Borght et al. 2002).

Anything that may impact on the wind-up and central sensitization, such as pain control, must be addressed (Staud, Vierck, Cannon et al. 2001), so you may be calling in a variety of medical care team members to help. The simple addition of Estrace vaginal cream may activate abdominal TrPs, causing symptoms such as menstrual cramps (even in patients without a uterus) and diarrhea. Discontinuing the therapy is not sufficient to remove the symptoms. The TrPs must be treated as well. Dealing with complicated diagnoses such as fibromyalgia and chronic myofascial pain is a challenge, but the difference you can make in the lives of these chronic pain patients is priceless.

References

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• Bennett, R. M., S. C. Clark and J. Walczyk. 1998. A randomized, double-blind, placebo-controlled study of growth hormone in the treatment of fibromyalgia. A J Med 104(3):227-231.
• Bennett, R. M. 1991. Symptoms of Raynaud’s syndrome in patients with fibromyalgia. A study utilizing the Nielsen test, digital photopleysmography, and measurements of platelet alpha 2-adrenergic receptors. Arth Rheum 34(3):264–269.
• Borg-Stein J. 2002. Management of peripheral pain generators in fibromyalgia. 2002. Rheum Dis Clin North Am 28(2):305-17.
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• Eisinger, J.B. 1999. [Hypothyroidism treatment: one hormone or two?] Myalgies 2(Suppl 2):1-3. [French]
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• Lowe, J.C., M.E. Cullum, L.H. Graf Jr. et al. 1997. Mutations in the c-erbA beta gene: do they underlie euthyroid fibromyalgia? Med Hypo 48 (2):125-135.
• Martinez-Lavin, M., A.G. Hermosillo, C. Mendoza et al. 1997. Orthostatic sympathetic derangement in subjects with fibromyalgia. J Rheumatol 24(4):714–718.
• Meerlo P., Koehl M., van der Borght K. et al. 2002. Sleep restriction alters the hypothalamic-pituitary-adrenal response to stress. J Neuroendocrinol 14(5):397-402.
• Park D.C., Glass J.M., Minear M. et al. 2001. Cognitive function in fibromyalgia patients. Arthritis Rheum 44(9):2125-33.
• Peters A., Schweiger U., Fruwald-Schultes B. et al. 2002. The neuroendocrine control of glucose allocation. Exp Clin Endocrinol Diabetes 110(5):119-211.
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• Simons D.G., J.G. Travell, and L.S. Simons. 1999. Travell and Simons Myofascial Pain and Dysfunction: the Trigger Point Manual: Volume I, edition 2: The Upper Body. Baltimore: Williams and Wilkins.
• Starlanyl DJ, Jeffrey JL, Roentsch G et al. 2001-2002. The effect of transdermal T3 (3,3’,5-triiodothyronine) on geloid masses found in patients with both fibromyalgia and myofascial pain: double-blinded, N of 1 clinical study. Myalgies 2(2):8-18.
• Staud R., Vierck C.J. Cannon R.L. et al. 2001. Abnormal sensitization and temporal summation of second pain (wind-up) in patients with fibromyalgia syndrome. Pain 91(1-2):165-75.
• Teitelbaum, J. 2001. From Fatigued to Fantastic. New York: Penguin Putnam Inc.
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The Fibromyalgia Advocate:
Getting the Support You Need to Cope with Fibromyalgia and Myofascial Pain Syndrome
By Devin J. Starlanyl
Publication Date: 27 Oct 1998 | ISBN-10: 1572241217 | ISBN-13: 978-1572241213

With over 300,000 copies sold, the popularity of Devin Starlanyl's book, Fibromyalgia and Chronic Myofascial Pain, has demonstrated the widespread demand for reliable material on this subject. If you or someone you love is struggling with fibromyalgia, her new book, The Fibromyalgia Advocate, offers a wealth of practical suggestions for dealing with an often skeptical medical establishment and getting the help and support you need.

The welcome successor to "Fibromyalgia and Chronic Myofascial Pain Syndrome", this book offers readers a wealth of practical suggestions for dealing with an often skeptical medical establishment and getting the help and support they need. In four parts (Managing Your Health Care Team, Fighting for Your Rights, Dealing with Your World, Ammunition), Dr. Devin Starlanyl shows patients how to identify sources of help and assemble a functional healthcare team; explains how to maximize visits to professional caretakers; offers advice on dealing with the legal aspects of the healthcare system; and finds the best approaches to educate family and friends about the condition and enlist their help and support. 31 reviews.
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Fibromyalgia and Chronic Myofascial Pain Syndrome:
A Survival Manual
By Devin J. Starlanyl, Mary Ellen Copeland
Publication Date: 1 Aug 2001 | ISBN-10: 1572242388 | ISBN-13: 978-1572242388 | Edition: 2nd Revised edition

This classic survival manual offers you the first comprehensive patient guide for managing the common but often misdiagnosed conditions of fibromyalgia and chronic myofascial pain. The management techniques found in Fibromyalgia and Chronic Myofascial Pain include targeted bodywork for painful trigger points and strategies to help you cope with the chronic pain, sleep problems, and numbing effects of 'fibrofog' that occur as a result of the disease.

This edition includes coverage of promising new research on the causes of fibromyalgia, evaluation of new treatments, complete discussions of special issues for women and men, and the latest information on medication. It includes a popular provider index, which can help you select those practitioners who will take your complaints seriously and offer knowledgeable treatment advice. 40 reviews + 171 reviews.
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