Medically reviewed by Brigid Dwyer, MD Key Takeaways Involuntary muscle movements happen when your body moves without you intending it, like with tics or tremors.  The causes of involuntary movements ...

People with uncontrolled movement problems can have a harder time doing everyday tasks such as speaking, reading, writing, and cooking, which can cause a loss of independence. This may cause people to ...

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Blepharospasm describes a condition where a person experiences an involuntary spasm of the muscles surrounding the eyelid. “Blepharo” refers to the eyelids, while “spasm” describes twitching of the ...

University of Arizona researchers have revealed new insights into the neurobiological cause of the involuntary, uncontrollable movement disorders that develop in patients with Parkinson’s disease (PD) ...

You’re relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it’s a muscle in your arm, your leg, or your foot that begins to spasm – sometimes for a few seconds, sometimes for ...

Blepharospasm is the medical name for a twitching eyelid. The name comes from the words “blepharal,” which means relating to the eyelid, and “spasm,” which is an involuntary muscle contraction.

Have you ever been surprised by an unexpected twitch in your left eye and wondered if it might be more than just a harmless ...

Have you ever experienced an annoying, persistent twitch in your eyelid? Eye twitching — also known as myokymia — is a common phenomenon that most people encounter at some point in their lives. While ...