Neuritis is inflammation of a nerve^[1] or the general inflammation of the peripheral nervous system.

[edit] Symptoms

Symptoms depend on the nerves involved, but may include pain, paresthesia, paresis, hypoesthesia (numbness), anesthesia, paralysis, wasting, and disappearance of the reflexes.

[edit] Causes

• Infection:
  • Herpes simplex
  • Shingles
  • Leprosy
  • Guillain-Barre syndrome

• Chemical injury
• Physical injury
• Radiation

• Underlying conditions causing localized neuritis (affecting a single nerve):
  • Diphtheria
  • Localized injury
  • Diabetes

• Underlying conditions causing polyneuritis (affecting multiple nerves):
  • Beriberi
  • Vitamin B12 deficiency
  • Metabolic diseases
  • Diabetes
  • Hypothyroidism
  • Porphyria
  • Infections, bacterial and/or viral
  • Autoimmune disease, especially Multiple Sclerosis
  • Cancer
  • Alcoholism
  • Wartenbergs migratory sensory neuropathy

[edit] Types

• Polyneuritis or Multiple neuritis
• Brachial neuritis
• Optic neuritis
• Peripheral neuritis, also known as Peripheral neuropathy
• Vestibular neuritis
• Cranial neuritis, often representing as Bell's Palsy
• Arsenic neuritis

[edit] See also

• Neurology
• Nerve
• Nervous tissue
• Myelin

[edit] References

[edit] Sources

• Neuritis, W.B. Saunders Company; 30th B/Cdr edition (May, 2003)
• Arsenic Poisoning - NERVOUS DISTURBANCES

[edit] External links

• National Institute of Neurological Disorders and Stroke (NINDS)
• Neuropathy Association

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