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Fibromyalgia & Chronic Fatigue Syndrome Glossary

Get definitions of common terms associated with fibromyalgia and chronic fatigue syndrome.
  1. A-G (41)
  2. H-R (31)
  3. S-Z (13)

Adenosine Triphosphate (ATP)
Get a definition of adenosine triphosphate (ATP) and its relevance to fibromyalgia and chronic fatigue syndrome.

Adhesions
Find out how adhesions may be involved in fibromyalgia pain.

Adrenaline
Get a definition of adrenaline and see how adrenaline problems may contribute to symptoms of fibromyalgia and chronic fatigue syndrome.

Allodynia
Allodynia is one type of fibromyalgia pain. It can be caused by a simple touch, pressure from clothing, or gentle massage. Learn more about allodynia.

Alpha-EEG Anomaly
See what the alpha-EEG sleep anomaly is and how it's related to fibromyalgia.

Analgesic
Get a definition of analgesics, learn how analgesics work and how they're classified. Also get examples of analgesic drugs.

Anticonvulsants
What are anticonvulsants?

Autoantibodies
The role of antoantibodies in CFS (chronic fatigue syndrome) could help shed light on what causes the condition. Learn what autoantibodies are and the role of autoantibodies in CFS.

Autoimmune Disease
Find out whether fibromyalgia & chronic fatigue syndrome involve autoimmunity.

Autonomic Nervous System
Get a definition of autonomic nervous system and see how it's involved with fibromyalgia and chronic fatigue syndrome.

B Cells
Get a definition of B Cells and see what role they may play in chronic fatigue syndrome.

Benzodiazepines
Learn about benzodiazepines and see how they're used in fibromyalgia and chronic fatigue syndrome.

Biofeedback
See what biofeedback is and how it's related to fibromyalgia.

Bruxism
Get a definition of bruxism and how it relates to TMJ, fibromyalgia and chronic fatigue syndrome.

Central Nervous System
Get a definition of central nervous system and see what role it plays in fibromyalgia and chronic fatigue syndrome.

Central Sensitization
Learn what sensitization and central sensitization mean and why the terms are associated with fibromyalgia and chronic fatigue syndrome.

CFIDS
What is CFIDS and why is it an alternate name for chronic fatigue syndrome?

Chronic
Get a definition of the term chronic.

Chronic Fatigue Syndrome
Get a definition of chronic fatigue syndrome.

Cognitive Behavioral Therapy (CBT)
See cognitive behavioral therapy is and how it's used for fibromyalgia and chronic fatigue syndrome.

Complementary & Alternative Medicine (CAM)
Get examples of CAM treatments and see why they're common in fibromyalgia & chronic fatigue syndrome.

Cortisol
Learn what cortisol is and the role the hormone plays in chronic fatigue syndrome.

Cytokines
Find out what cytokines are and what role cytokines play in chronic fatigue syndrome.

Cytomegalovirus
Get a definition of cytomegalovirus and see how the virus may be related to chronic fatigue syndrome.

Disease
Get the medical definition of disease and find out why the word isn't used in connection with fibromyalgia and chronic fatigue syndrome.

Dopamine
Definition of dopamine. See how dopamine is involved in fibromyalgia and chronic fatigue syndrome. Also get links to definitions of other terms related to fibromyalgia and chronic fatigue syndrome.

Double-Blind, Placebo-Controlled Clinical Trial
Get a definition of the term double-blind, placebo-controlled clinical trial.

Endorphins
See what endorphins are and what effect they have on pain.

Epstein-Barr Virus
Get a definition of the Epstein-Barr virus and see how it may be linked to chronic fatigue syndrome.

Enteroviruses
Do enteroviruses cause chronic fatigue syndrome? Learn what enteroviruses are and why researchers believe they could be behind some cases of chronic fatigue syndrome.

Fascia
Get a definition of fascia and learn how fascia may be involved in fibromyalgia.

Fatigue
Learn the definition of the word fatigue.

Fibro Fog
Find out what fibro fog is, some common symptoms, and what other names it goes by.

Fibromyalgia
Get a definition of fibromyalgia.

Flare-Up
Get a definition of a fibromyalgia flare-up.

GABA
Find out what the neurotransmitter GABA does in the brain and how it may be involved in fibromyalgia and chronic fatigue syndrome.

Giardia
Get a description of giardia and see how this parasite may be related to chronic fatigue syndrome or irritable bowel syndrome.

Glia
Get a definition of glia and see what roles glial cells may play in fibromyalgia.

Graded Exercise Therapy (GET)
Learn about graded exercise therapy and how it's used in chronic fatigue syndrome.

Glutamate
Get a definition of glutamate and learn how it applies to fibromyalgia.

Growth Hormone
See what growth hormone is and how it's linked to fibromyalgia.

HPA Axis
Get a definition of the HPA axis and find out how it's believed to function in people with chronic fatigue syndrome.

Hypnotherapy
See what research says about hypnotherapy for fibromyalgia.

Human Herpesvirus 6 (HHV-6)
Get a definition of human herpesvirus 6 (HHV-6) and see how it may be linked to chronic fatigue syndrome.

Hyperalgesia
Get a definition of hyperalgesia and see how it's involved in fibromyalgia pain.

Hypothyroidism
See what hypothyroidism is and how it relates to fibromyalgia and chronic fatigue syndrome.

Lidocaine
See what lidocaine is and how it's been used in fibromyalgia.

Immune System
Get a definition of immune system, and find out how the immune system relates to chronic fatigue syndrome.

Lyme Disease
Get a definition of Lyme disease and chronic Lyme disease and see how they may be linked to chronic fatigue syndrome.

Melatonin
Get a definition of melatonin, learn how melatonin/serotonin levels can impact your sleep cycle, and see what role melatonin plays in fibromyalgia.

Mitochondria
Get a definition of mitochondria so you can understand mitochondrial dysfunction.

Monogenic
Get a definition of monogenic and see what a monogenic disorder is.

XAND
Get a definition of XAND and see how it relates to chronic fatigue syndrome and the discovery of a possible link to the retrovirus called XMRV.

Xenotropic
Get a definition of xenotropic and see how it applies to XMRV -- a retrovirus that may be linked to chronic fatigue syndrome.

Myalgic Encephalomyelitis / Encephalopathy (ME)
Find out what myalgic encephalomyelitis and myalgic encephalopathy (both called ME) actually mean, and why chronic fatigue syndrome advocates in the United States are pushing for ME/CFS to be the condition's official name.

Narcotics
Get a definition of narcotics, find out what effects they can have and get examples of prescription narcotics.

Natural Killer (NK) Cells
Learn what natural killer cells are and the role of natural killer cells in CFS (chronic fatigue syndrome).

Neuroimmune
See how this term applies to fibromyalgia and chronic fatigue syndrome.

Neurotransmitter
Get a definition of neurotransmitters and find out which neurotransmitters are out of balance in people with fibromyalgia and chronic fatigue syndrome.

New Drug Application (NDA)
Get a definition of the U.S. Food and Drug Administration's New Drug Application.

Nociceptor
Definition of nociceptors. See how they're involved in the pain associated with fibromyalgia and chronic fatigue syndrome.

Non-Steroidal Anti-Inflammatory Drugs
Learn what nonsteroidal anti-inflammatory drugs (NSAIDs) are, what they're used for and whether they're effective for fibromyalgia and chronic fatigue syndrome.

Norepinephrine
Find out about the neurotransmitter/hormone norepinephrine and how abnormalities contribute to the chronic pain condition fibromyalgia.

Orthostatic Intolerance
See how this symptom is linked to dizziness and other symptoms of fibromyalgia & chronic fatigue syndrome.

Pain Threshold
Get a definition of pain threshold and see how it relates to fibromyalgia.

Pain Tolerance - Definition of Pain Tolerance
Get a definition of pain tolerance.

Paresthesia
Learn the definition of paresthesia, which is one of the fibromyalgia pain symptoms.

Peripheral Nervous System
Get a definition of peripheral nervous system and see how it's involved with fibromyalgia and chronic fatigue syndrome.

Polygenic
Get a definition of polygenic and polygenic disorder and see how the term relates to fibromyalgia.

Polymerase Chain Reaction
Find out what a polymerase chain reaction is and why it's common to come across this term when researching chronic fatigue syndrome.

Post-Exertional Malaise
Get a definition of post-exertional malaise and find out what it means for people with chronic fatigue syndrome.

Retrovirus
Find out what a retrovirus is and how a retrovirus may be associated with chronic fatigue syndrome.

Rheumatic Disease
See how this term relates to fibromyalgia.

RNase L
Find out what RNase L is and what role it plays in chronic fatigue syndrome.

Serotonin
Get a definition of serotonin and learn how it is linked to fibromyalgia & chronic fatigue syndrome.

SNRI - Serotonin-Norepinephrine Reuptake Inhibitor
Get a definition of SNRI (serotonin norepinephrine reuptake inhibitor), learn how this type of drugs work and get some examples of SNRIs.

Social Security Disability Insurance (SSDI)
Start learning about SSDI.

Somatic
The word "somatic" shows up in a lot when you read about these conditions. See what it means.

SSRI - Selective Serotonin Reuptake Inhibitor
Get the definition of selective serotonin reuptake inhibitor (SSRI), and learn how these drugs work. Here are examples of SSRIs.

Substance P
Get a definition of substance p, one of the chemicals associated with fibromyalgia.

Syndrome
Get a definition of the word syndrome and find out why it's the appropriate classification for fibromyalgia and chronic fatigue syndrome.

T Cells
Learn what T cells are and the role of T cells in CFS (chronic fatigue syndrome).

Tender Points
Get a definition of fibromyalgia tender points and learn how they are used to diagnose the condition.

Trigger Point
Get a definition of trigger points and see how they may related to fibromyalgia and myofascial pain syndrome.

Working Memory
Find out what working memory is, what activities it effects, and the role it's believed to play in fibromyalgia and chronic fatigue syndrome.

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