General fibromyalgia terms and chronic pain related definitions for people suffering from Fibromyalgia and/or Chronic Pain.

Fibromyalgia and Chronic Pain Terms

Retrospective Study

A study where patients are selected then their medical records are used to find out what has happened to them.

Restless Legs Syndrome

A neurological disorder characterized by unpleasant sensations in the legs and an uncontrollable urge to move when at rest in an effort to relieve these feelings.

Raynaud'S Phenomenon

When blood is restricted from reaching the fingers and toes in response to cold. The skin turns pale and begins to tingle


A Quality Adjusted Life Year is a measure that incorporates both health status and length of life into a single measure.


The plan or set of steps to be followed in a study. A protocol for a systematic review

Prospective Study

A study where patients are selected before any data collection starts.


A sham treatment. If the treatment is a tablet or capsule it will contain no active ingredient.


Psychological General Well-Being Index is a self-assessed inventory related to general well-being and has been shown to be reliable and valid.