Fasciculation (Muscle Twitch)

What causes fasciculation?

A Answers (1)

  • Fasciculation (slight tremor) can be caused by harmless conditions but may also indicate neurological problems. Strenuous exercise, a poor diet, too much caffeine, side effects of certain drugs, and even stress are some of the most common triggers. On the other hand, muscle twitching can also indicate nervous system disorders such as Lou Gehrig's disease (also known as amyotrophic lateral sclerosis) or nerve damage. Serious conditions that cause muscle deterioration like muscular dystrophy or muscular atrophy also cause fasciculation of the muscles.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.
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What is fasciculation?