Both myofascial pain syndrome and fibromyalgia cause muscular pain. However, myofascial pain syndrome causes pain in certain areas, compared with fibromyalgia, which causes pain throughout the body.

Fibromyalgia often causes widespread pain throughout the back. Back pain is one of the most common features of fibromyalgia, a chronic pain condition often accompanied by fatigue and sensitivity to ...

Fibromyalgia joint pain stems from changes in how your brain processes pain signals. It’s often accompanied by fatigue and muscle tenderness. Have you ever felt tired and achy with the flu? This is ...

Many people with fibromyalgia describe the chronic condition as a "bad case of the flu that never goes away," because they have widespread pain, wake up with stiff muscles and experience brain fog, ...

Nov. 6, 2025 -- Fibromyalgia affects about 4 million U.S. adults. Though its cause remains unclear, it can be effectively diagnosed, treated, and managed. But what exactly is fibromyalgia, and why is ...

Medically reviewed by Anita C. Chandrasekaran, MD Key Takeaways Fibromyalgia chest pain, also known as costochondritis, is pain from inflammation where ribs and breastbone meet.You can treat ...