http://solvecfs.org/what-is-mecfs/
ME/CFS symptoms, which can often be made worse by standing upright, include
- Extreme exhaustion
- Non-restorative sleep
- Brain fog/cognitive impairment
- Joint pain
- Inflamed lymph nodes
- Persistent sore throat
- Severe headache
- Neurological abnormalities
- Complete organ system shutdown
- Sensitivity to light, sound, odors, chemicals, foods, and medications
- Irritability, depression, and mood swings