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Hyperreflexia
ICD-10 R29.2
ICD-9 796.1
MeSH D012021

Hyperreflexia is defined as overactive or overresponsive reflexes. Examples of this can include twitching or spastic tendencies, which are indicative of upper motor neuron disease as well as the lessening or loss of control ordinarily exerted by higher brain centers of lower neural pathways (disinhibition). See Autonomic dysreflexia.

Contents

Causes

The most common cause of hyperreflexia is spinal cord injury (see autonomic dysreflexia). Standard stimuli like the filling of the bladder can cause excessive responses from the nervous system, such causes are not known.

But hyperreflexia can be developed via many other causes, including medication and stimulant side effects, electrolyte imbalance, serotonin syndrome and severe brain trauma.

Treatment

Treatment depends on diagnosing the specific pathology causing this symptom. Should it be caused by use of stimulants or other substances, then it may involve removing these drugs from use.

See also

External links

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