Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...

After undergoing six root canals over the years, Tippy McInerny wasn’t surprised when her dentist gave her several shots of a local anesthetic and stretched her mouth open for more than an hour while ...

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 ...

Lip twitching happens when your upper or bottom lip shakes, trembles, or quivers uncontrollably. It may be caused by something as simple as drinking too much caffeine or being low in potassium, but, ...

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 ...

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 ...