Back pain is classified in terms of duration of symptoms. # Acute back pain lasts <6 weeks # Subacute back pain lasts between 6 and 12 weeks. # Chronic back pain lasts for greater than 12 weeks.
symptom of Ankylosing spondylitis
symptom of Fibromyalgia
symptom of Osteoarthritis
symptom of Dermatomyositis
symptom of Osteomyelitis
symptom of Sciatica
symptom of Arthritis
symptom of Rheumatic fever