There are many painful conditions that can cause<unk>  disease. Not every patient with these conditions will develop<unk> , but the following conditions are known to cause<unk>  in some patients: * Failed back syndrome * Scoliosis, kyphosis, kyphoscoliosis * Complex regional pain syndrome (CRPS) * Degenerative disk disease * Rheumatoid arthritis * Central pain syndrome (CPS) * Migraine * Ehlers–Danlos syndromes
Intractable pain
Chronic pain
Delayed onset muscle soreness
Rectal pain
Functional symptom
Amplified musculoskeletal pain syndromes
Abdominal pain
Asymptomatic