Hemifacial spasm (HFS) is a rare movement disorder that causes involuntary muscle contractions on one side of the face. It typically starts with painless but annoying twitching around one eye. Over ...

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 ...

Anxiety may sometimes cause any of your muscles to start twitching. It may be caused by neurotransmitters being released. Treating anxiety is the best way to prevent anxiety twitching. Twitching is ...