Usually have had prolonged symptoms (pain >3mo)
At risk for recent bacteremia
Fever is a feature - however, often afebrile<unk>  body tenderness
Paravertebral muscle spasm unresponsive to conservative therapy
Paravertebral or epidural abscess may develop
Vertebral osteomyelitis
Epidural Abscess 
Discitis
Osteomyelitis
Spinal stenosis
Epidural abscess 
Cervical disk herniation
Impingement syndrome