Back pain is an extremely common human phenomenon. Almost 80 per cent of persons in modern industrial society will experience back pain at some time during their life.
Causes
Inflammatory causes
Tuberculosis
Ankylosing spondylitis
Degenerative
Osteoarthritis
Neoplastic
Traumatic causes
Sprain, strain
Vertebral fractures
Prolapsed disc
Congenital causes
Spina bifida
Lumbar scoliosis
Spondylolysis
Spondylolisthesis
Transitional vertebra
Facet tropism
Metabolic causes
Osteoporosis
Osteomalacia
Pain referred from viscera
Miscellaneous causes
Functional back pain
Postural back pain
Signs & Symptoms
Pain in lower back
Stiffness
Tingling sensation
Neurological Symptoms like paraesthesias, numbness or weakness
Sciatica is a symptom and not a diagnosis. It means a pain radiating down the back of the thigh and calf. Degenerative arthritis & disc prolapses are the common causes.
Other causes of sciatica Inflammatory
Sciatic neuritis
Arachnoiditis
Nerve root compression
Compression in the vertebral canal by disc, tumour,tuberculosis
Compression in the intervertebral foramen due to root canal stenosis because of OA
Spondylolisthesis, Facetarthropathy or Tumors.
Compression in the buttock or pelvis by Abscess,Tumour, Hematoma