Fibromyalgia is a long-term or, as some would call it, a chronic disorder. It’s associated with widespread pain in the muscles and bones, areas of tenderness, and general fatigue. Symptoms like these are considered subjective, meaning they can’t be determined or measured by tests. Because its symptoms are subjective and personal and there isn’t a clear known cause, fibromyalgia is often misdiagnosed as something else. You can read more about Fibromyalgia in this blog post.