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 ...

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

Medically reviewed by Brigid Dwyer, MD Key Takeaways Involuntary muscle movements happen when your body moves without you ...

You’re sitting at your computer when it starts — that annoying flutter in your eyelid that feels like a tiny butterfly trapped under your skin. Most of the time, eye twitching is harmless and goes ...

Q. What causes muscle twitches? They occur all over my body and drive me crazy. Can I take anything to alleviate them? A. Muscle twitching (the medical term is "fasciculation") is common and usually ...

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 ...

Whenever I get severely anxious, there's a small muscle beneath my throat that twitches consistently for at least a few days, until it goes away on its own. Before I went to my doctor about it, though ...

It’s common to feel shaky after a vigorous workout. This can happen for several reasons, but it’s usually not a cause for concern. Still, it’s important to know the difference between what’s normal ...