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Guaifenesin protocol is an experimental, alternative treatment for fibromyalgia proposed in the 1990s by R. Paul St. Amand, MD. The treatment involves three parts: titrating to the proper guaifenesin dosage, avoiding salicylates, and following a low carbohydrate diet if the patient is hypoglycemic. Guaifenesin has not been approved by the FDA for the treatment of fibromyalgia, and the protocol has not been shown to be effective in clinical trials as of 2005. It has been adopted by many due to anecdotal evidence of success.
Additional recommended knowledge
The dosage is individually determined by slowly titrating the dosage up until a worsening of symptoms is noticed and there is a decrease of the lesions that can be palpated in the muscles. Patients begin with 300 mg twice a day and increase from there. The guaifenesin should be pure guaifenesin and not a preparation including other medications.
Avoiding salicylic acid
Salicylic acid in even tiny amounts blocks guaifenesin from binding in the kidneys. It is present in many drugs such as aspirin, Salsalate, Disalcid, Anacin, and Excedrin. Plants produce salicylic acid, so herbal medications must be avoided as well as plant oils, gels and extracts in cosmetics and any product that touches the skin. These ingredients include aloe, castor oil, camphor, and mint. Any plants can be eaten, however, because the small amount of salicylic acid present in food is broken down in the digestive system and tagged with glycine by the liver before reaching the kidneys.
Many symptoms of hypoglycemia (or perhaps more aptly titled Carbohydrate Intolerance) are similar to fibromyalgia, and while leaving hypoglycemia untreated will not hinder the reversal of the disorder with guaifenesin, the symptoms will continue to plague the patient. The only treatment is a life-long avoidance of simple sugars, caffeine, starchy foods, and any other foods that cause insulin spikes.
Theory of fibromyalgia cause
This theory involves phosphate accumulation in cells that eventually reach a level to impede the ATP process, possibly caused by a kidney dysfunction or missing enzyme that prevents the removal of excess phosphates from the blood stream. This theory posits that fibromyalgia is an inherited disorder, and that phosphate build up in cells is gradual (but can be accelerated by trauma or illness). Calcium is required to buffer the excess phosphate when it enters the cells. The additional phosphate slows down the ATP process; however the excess calcium prods the cell to action. The causative mechanism in the kidneys is unknown.
The phosphate build-up theory explains the myriad symptoms present in fibromyalgia and provides an underlying cause, but remains strictly theoretical. There is no conclusive evidence that the phosphate build-up theory is correct, or that Guaifenesin protocol is effective.
Results of the only known randomized clinical trial were made available in 2003 (R. Bennett & P. Clark). It found that guaifenesin had no significant effects on pain, other symptoms, or laboratory measures over 12 months in a sample of people diagnosed with fibromyalgia syndrome, however, the study did not control the intake of salicylates absorbed through the skin via cosmetics.
This theory arose when Dr. St. Amand noticed that patients with fibromyalgia symptoms had an increase of tartar on the teeth in the form of calcium phosphate. Crystals are also often found on urinalysis which further points to calcium phosphate, and muscle biopsies show an increase of phosphate in the cytosol. Lesions of muscles, tendons, and ligaments can be felt by a method of palpation called mapping developed by Dr. St. Amand. These lesions are thought to be contracted cells forming a spastic area caused by an excess of calcium in the cytosol of the cells.
The treatment was discovered serendipitously when the physician found that uricosuric drugs for treating gout also coincided with relief of fibromyalgia symptoms. Guaifenesin is mildly uricosuric but, unlike standard uricosuric drugs, has almost no side effects. Dr. St. Armand therefore began to study whether guaifenesin might relieve the symptoms of fibromyalgia while causing fewer side effects than other uricosuric drugs had caused.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Guaifenesin_protocol". A list of authors is available in Wikipedia.|