Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

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 ...

A twitch is a small, involuntary contraction and relaxation of a muscle or group of muscles. Medication side effects, physical exertion, fatigue, and excessive caffeine can all cause twitching in the ...