Fasciculation: Difference between revisions
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*[[Benzodiazepine withdrawal]] | *[[Benzodiazepine withdrawal]] | ||
*[[Dehydration]] | *[[Dehydration]] | ||
*[[Donepezil toxicity]] | *[[Donepezil|Donepezil toxicity]] | ||
*[[Multiple sclerosis]] | *[[Multiple sclerosis]] | ||
*[[Organophosphate poisoning]] | *[[Organophosphate poisoning]] | ||
*[[Quaternary syphilis]] | *[[Quaternary syphilis]] | ||
*[[Renal disease]] | *[[Renal disease]] | ||
*[[Tacrine toxicity]] | *[[Tacrine|Tacrine toxicity]] | ||
===Common Causes=== | ===Common Causes=== | ||
*[[Amyotrophic lateral sclerosis ]] | *[[Amyotrophic lateral sclerosis ]] | ||
*[[Bell palsy]] | *[[Bell palsy]] | ||
* | *Brown-vialetto-van laere syndrome, | ||
*[[Central pontine myelinosis]] | *[[Central pontine myelinosis]] | ||
*[[Fatigue]] | *[[Fatigue]] | ||
*[[Friedreich ataxia]] | *[[Friedreich ataxia]] | ||
*[[Guillain-barre syndrome]] | *[[Guillain-Barré syndrome|Guillain-barre syndrome]] | ||
*[[Hereditary sensorimotor neuropathy type 1]] | *[[Neuropathy|Hereditary sensorimotor neuropathy type 1]] | ||
*[[Infantile neuroaxonal dystrophy]] | *[[Infantile neuroaxonal dystrophy]] | ||
*[[Isaac syndrome]] | *[[Isaac's syndrome|Isaac syndrome,]] | ||
*[[Kennedy disease]] | *[[Kennedy disease]] | ||
*[[Motor neuron disease]] | *[[Motor neuron disease]] | ||
*[[Multifocal motor neuropathy]] | *[[Multifocal motor neuropathy]] | ||
*[[Multiple sclerosis]] | *[[Multiple sclerosis]] | ||
*[[Myasthenia gravis]] | *[[Myasthenia gravis]] | ||
*[[Neuromyotonia]] | *[[Neuromyotonia]] | ||
*[[Neuropathy]] | *[[Neuropathy]] | ||
*[[Peripheral neuropathy]] | *[[Peripheral neuropathy]] | ||
*[[Poliomyelitis]] | *[[Poliomyelitis]] | ||
*[[Posterior inferior cerebellar artery syndrome]] | *[[Posterior inferior cerebellar artery syndrome]] | ||
*[[Postpoliomyelitis syndrome]] | *[[Post-polio syndrome|Postpoliomyelitis syndrome]] | ||
*[[Progressive bulbar palsy]] | *[[Progressive bulbar palsy]] | ||
*[[Progressive muscular atrophy]], | *[[Progressive muscular atrophy]], | ||
*[[Spinal muscular atrophy]] | *[[Spinal muscular atrophy]] | ||
*[[Spinocerebellar ataxia]] | *[[Spinocerebellar ataxia]] | ||
*[[Subacute combined degeneration of the cord]] | *[[Subacute combined degeneration of the cord]] | ||
*[[Transverse myelitis]] | *[[Transverse myelitis]] | ||
* | *Welander distal myopathy | ||
*[[Werdnig-hoffman disease]] | *[[Werdnig-Hoffman disease|Werdnig-hoffman disease]] | ||
===Causes by Organ System=== | ===Causes by Organ System=== | ||
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{{Symptoms and signs}} | {{Symptoms and signs}} | ||
[[Category:Neurology]] | [[Category:Neurology]] | ||
Revision as of 20:19, 30 January 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
A fasciculation (or "muscle twitch") is a small, local, involuntary muscle contraction (twitching) visible under the skin arising from the spontaneous discharge of a bundle of skeletal muscle fibers. Fasciculations have a variety of causes, the majority of which are benign, but can also be due to disease of the motor neurons.
Causes[1]
Life Threatening Causes
- Benzodiazepine withdrawal
- Dehydration
- Donepezil toxicity
- Multiple sclerosis
- Organophosphate poisoning
- Quaternary syphilis
- Renal disease
- Tacrine toxicity
Common Causes
- Amyotrophic lateral sclerosis
- Bell palsy
- Brown-vialetto-van laere syndrome,
- Central pontine myelinosis
- Fatigue
- Friedreich ataxia
- Guillain-barre syndrome
- Hereditary sensorimotor neuropathy type 1
- Infantile neuroaxonal dystrophy
- Isaac syndrome,
- Kennedy disease
- Motor neuron disease
- Multifocal motor neuropathy
- Multiple sclerosis
- Myasthenia gravis
- Neuromyotonia
- Neuropathy
- Peripheral neuropathy
- Poliomyelitis
- Posterior inferior cerebellar artery syndrome
- Postpoliomyelitis syndrome
- Progressive bulbar palsy
- Progressive muscular atrophy,
- Spinal muscular atrophy
- Spinocerebellar ataxia
- Subacute combined degeneration of the cord
- Transverse myelitis
- Welander distal myopathy
- Werdnig-hoffman disease
Causes by Organ System
Causes in Alphabetical Order
Treatment
Inadequate magnesium intake can cause fasciculations, especially after a magnesium loss due to severe diarrhea. Over-exertion is another risk factor for magnesium loss. As much as 80% of the population does not get the recommended daily amount of magnesium; this may be a common cause. Treatment is with supplements or increased intake of foods rich in magnesium, especially almonds & other nuts, and bananas. Ironically, magnesium supplements may result in diarrhea and more magnesium loss, so dosage and timing (i.e. with meals) are important.
Fasciculation also often occurs during a rest period after sustained stress, such as that brought on by unconsciously tense muscles. Reducing stress and anxiety is therefore another useful treatment.
References
- ↑ Blexrud MD, Windebank AJ, Daube JR (1993). "Long-term follow-up of 121 patients with benign fasciculations". Ann. Neurol. 34 (4): 622–5. doi:10.1002/ana.410340419. PMID 8215252.
Template:Skin and subcutaneous tissue symptoms and signs Template:Nervous and musculoskeletal system symptoms and signs Template:Urinary system symptoms and signs Template:Cognition, perception, emotional state and behaviour symptoms and signs Template:Speech and voice symptoms and signs Template:General symptoms and signs