Twitches are small muscle spasms that may be normal, or may indicate tics or other seizure type disorders. Occasional twitches are normal and not a disorder. Twitches also need to be distinguished from tremor or shakiness, which has both normal ...

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There are a variety of different types of muscle twitches, each with their own particular causes:

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.