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The term "fibromyalgia" is from Neo-Latin fibro-, meaning "fibrous tissues"; Greek μυο- myo-, "muscle"; and Greek άλγος algos, "pain"; thus, the term literally means "muscle and fibrous connective tissue pain". [15] Fibromyalgia is estimated to affect 2 to 4% of the population. [16] Women are affected about twice as often as men.
Functional somatic syndrome (FSS) is any of a group of chronic diagnoses with no identifiable organic cause.This term was coined by Hemanth Samkumar. [citation needed] It encompasses disorders such as fibromyalgia, chronic widespread pain, temporomandibular disorder, irritable bowel syndrome, [1] lower back pain, tension headache, atypical face pain, non-cardiac chest pain, insomnia ...
Chronic pain affects approximately 20% of people worldwide and accounts for 15–20% of visits to a physician. [3] Pain can be categorized according to its location, cause, or the anatomical system which it affects. Pain can also defy these classifications, making it difficult to classify chronic pain.
Functional disorders can affect the interplay of several organ systems (for example gastrointestinal, respiratory, musculoskeletal or neurological) leading to multiple and variable symptoms. Less commonly there is a single prominent symptom or organ system affected.
The pain does not resolve on its own, even after typical first-aid self-care such as ice, heat, and rest. [4] Electromyography (EMG) has been used to identify abnormal motor neuron activity in the affected region. [5] A physical exam usually reveals palpable trigger points in affected muscles and taut bands corresponding to the contracted muscles.
Somatic symptom disorder affects 5% to 7% of the general population, with a higher female representation, and can arise throughout childhood, adolescence, or adulthood. Evidence suggests that the emergence of prodromal symptoms often begins in childhood and that symptoms fitting the criteria for somatic symptom disorder are common during ...
This category reflects the organization of International Statistical Classification of Diseases and Related Health Problems, 10th Revision. Generally, diseases outlined within the ICD-10 codes R25-R29 within Chapter XVIII: Symptoms, signs and abnormal clinical and laboratory findings should be included in this category.
Dysesthesia may be caused by a thalamic stroke involving the ventral postero-lateral (VPL) nucleus. It's typically seen in Dejerine-Roussy syndrome with hemi-sensory loss and severe dysesthesia of the affected area. Fibromyalgia may cause dysesthesia in all areas of the body, but mostly the extremities. [medical citation needed]