Medically Unexplained Chronic Multisymptom Illness and Chronic Multisymptom Illness are clusters of symptoms rather than a specific diagnosis for veterans.
It can be hard to diagnose the cause of your pain. The VA ruled that you don’t have to find the cause for some types of chronic pain to get VA benefits.
Getting diagnosed with Fibromyalgia is almost as hard as getting VA Benefits, but it is far from impossible.
Beyond aches and pains that come from getting old, ME/CFS is the next level of weakness, pain, and inability to go about your regular daily activities.