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Peripheral neuropathy may first be considered when an individual reports symptoms of numbness, tingling, and pain in feet. After ruling out a lesion in the central nervous system as a cause, a diagnosis may be made on the basis of symptoms, laboratory and additional testing, clinical history, and a detailed examination.
The causes of nerve damage are grouped into categories including those due to paraneoplastic causes (neuropathy secondary to cancer), immune mediated, infectious, inherited or degenerative causes and those due to toxin exposure. In idiopathic sensory neuronopathy no cause is identified. Idiopathic causes account for about 50% of cases. [2]
Paresthesias of the hands, feet, legs, and arms are common transient symptoms. The briefest electric shock type of paresthesia can be caused by tweaking the ulnar nerve near the elbow; this phenomenon is colloquially known as bumping one's "funny bone". Similar brief shocks can be experienced when any other nerve is tweaked (e.g. a pinched neck ...
A nerve condition, vitamin deficiency, or injury might be to blame for tingling in feet. Experts share other common causes for tingling feet, plus when to see a doctor.
That can cause tingling or numbness in the hands, arms, legs, and feet. “ The mechanism is not well understood but it could involve the direct toxic effect of alcohol on nerve fibers,” Dr ...
Motor symptoms seem to be more predominant than sensory symptoms. [2] Symptoms of these disorders include: fatigue, pain, lack of balance, lack of feeling, lack of reflexes, and lack of sight and hearing, which result from muscle atrophy. Patients can also have high arched feet, hammer toes, foot drop, foot deformities, and scoliosis.
Dysesthesia is among symptoms of neuropathy (along with paresthesias, gait disturbance, weakness, and absent DTRs). Dysesthesia, along with polyneuropathy can be a symptom of nerve damage caused by Lyme disease. [4] The dysesthetic sensations continue after the successful antibiotic treatment of Lyme disease.
Longer nerve fibers are affected to a greater degree than shorter ones because nerve conduction velocity is slowed in proportion to a nerve's length. In this syndrome, decreased sensation and loss of reflexes occur first in the toes on each foot, then extend upward.