What are the causes of elevated CSF protein?

Infective conditions
  • Bacterial infections
  • Tuberculous infections
  • Fungal infections
  • Cerebral abscess
Inflammatory conditions
  • Guillian-Barre Syndrome
  • Multiple sclerosis
Vascular conditions
  • Subarachnoid haemorrhage
  • Cerebral haemorrhage
  • Cerebral thrombosis
Endocrine conditions
  • Diabetes melitus
  • Hyperthyroidism
  • Hyperadrenalism
Medications / toxins
  • Phenytoin
  • Ethanol
  • Heavy metals
Other
  • Mechanical obstruction of CSF circulation
  • Traumatic tap
  • Malignancies