Here is a list of common symptoms and/or other disorders present in people diagnosed (or self-diagnosed) with CFS. I can't really credit this, since it came from a bunch of different sources.

- fatigue (NO! REALLY?)

- short-term memory loss

- inability to concentrate (also see Attention Deficit Disorder, a common co-diagnosis)

- occasional numbness / tingling in extremities / muscle twitchiness, pain, weakness

- lightheadedness / dizziness / fainting / loss of balance

- headaches

- depression / anxiety / panic

- abdominal pain / digestive disorders / gas

- blurry / dry eyes

- insomnia / unrestful sleep / frequent need for sleep

- allergies

- asthma

- thrush (a pasty white or yellowish coating on the tongue)