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. 2011 Sep 20;3(2):e11. doi: 10.4081/ni.2011.e11

Table 1. Fasciculations causes.

1 Benign fasciculations (healthy subjects)
1.1 Occasional (Mainly in Forearms, Calves and Thumb).
1.2 Caused by Coffee, Stress, Anxiety, Cigarettes.
1.3 Strenuous and high intensity exercises .
1.4 Benign fasciculations (Isolated and Persistent) - duration for months and | or years.
2 Neurogenic disorders resulting from fasciculations
2.1 Amyotrophic Lateral Sclerosis.
2.2 Spinal Muscular atrophies.
2.3 Benign monomelic amyotrophy (Hirayama disease).
2.4Kennedy Disease
2.5 Multifocal Motor Neuropathy
2.6 Acute Anterior Poliomyelitis
2.7 Radiculopathy
2.8 Peripheral Neuropathies
2.9 Plexopathy
2.10 Syringomyelia
2.11Creutzfeldt-Jakob Disease
2.12 Spinal amyotrophy of upper limbs (distal)
3 Fasciculations for metabolic diseases
3.1 Thyrotoxicosis
3.2 Tetanus
4 Fasciculations caused by drug use
4.1 Anticholinergic Drugs
4.2 ** Use of Steroids (corticoids)
4.3 Organophosphates and other insecticides | pesticides (commonly in the acute intoxication).
4.4 Lithium
5 Fasciculations caused by systemic diseases
5.1 Infections, mainly viral. (HIV-1, 2, HTLV-1, syphilis)
5.2 Neurosarcoidosis