Whether you're new to FM and/or CFS/ME, or an experienced patient, there are always new
terms and terminologies coming up. In order to find the medical information you're
looking for, you'll come across medical terminology and medical information you might
This page contains over 200 definitions listed below, with many new words added monthly.
The words are listed in alphabetical order. You can either select a letter from the
box below, or scroll down the page to reveal the word you're looking for.
Contact us if you cannot locate a specific definition.