American journal of therapeutics
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Fibromyalgia is a complex condition that is characterized by chronic widespread pain and multiple other symptoms, including fatigue, sleep disturbances, cognitive dysfunction, stiffness, and depressive episodes. Fibromyalgia may coexist and/or overlap with other conditions that may involve central sensitivity, including chronic fatigue syndrome, irritable bowel syndrome, irritable bladder syndrome or interstitial cystitis, and temporomandibular disorder. The pathophysiology of fibromyalgia remains uncertain but is believed to be partly the result of central systems affecting afferent processing as well as impaired endogenous pain-inhibitory systems. ⋯ Fibromyalgia remains a clinical diagnosis. There has been a recent paradigm shift away from requiring 11 or more out of 18 tender points and instead focusing on the presence of chronic widespread pain as well as symptoms of fatigue, unrefreshed sleep, and other somatic complaints. Although there is no known cure for fibromyalgia, multidisciplinary team efforts using combined treatment approaches, including patient education, aerobic exercise, cognitive behavioral therapy, and pharmacologic therapies (serotonin norepinephrine reuptake inhibitors [eg, duloxetine, milnacipran] and alpha 2-delta receptor ligands [eg, pregabalin]) may improve symptoms as well as function of patients with fibromyalgia.
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We report the case of an elderly patient with diastolic heart failure and renal insufficiency admitted to hospital as he complained of having a history of hypogastric pain and dysuria without fever due to renal lithiasis and urinary infection. Because the pain was persistence, and considering the presence of renal dysfunction, it was administered a single low dose of paracetamol/codein (500/30 mg). After about 1 hour of the administration, he suddenly complained of the onset of a lancinating epigastric pain radiating to the whole abdomen and retrosternum accompanied by nausea. ⋯ The likely underlying pathophysiological mechanism is the codein-induced spasm of the sphincter of Oddi combined with dysfunction of the same sphincter and reduced bile storage capacity related to a previous cholecystectomy. When a similar event does not regress, it may lead to more severe conditions such as acute pancreatitis. Since codein is a widely used drug, this report may suggest cholecystectomy as a contraindication during administration for the risk of occurrence of these complications.