Neuritis

Overview
Neuritis is the general inflammation of the peripheral nervous system.

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

Causes
See also underlying causes of neuropathy.
 * 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

Types of Neuritis

 * 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