Sometimes, people experience random muscle twitches that interrupt their normal daily activities. This is usually not harmful ...

Medically reviewed by Jennifer Steinhoff, MD Key Takeaways Muscle twitching is often caused by stress or a lack of sleep and ...

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 ...

Muscle twitches, often experienced as sudden, involuntary movements in the muscles, are common yet can raise concerns for some individuals. These small, rapid contractions, medically known as ...

After a grueling CrossFit workout on a hot Summer morning that involved kettlebell swings, goblet squats, and about 100 walking lunges, my lower body was toast. But what was weird was that my left ...

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 ...

While sitting still at your desk or watching TV, you sense a feeling of muscular discomfort in your arm or leg. It’s not quite a charley horse, but you can see your skin pulsating involuntarily, as if ...

Though eyelid twitching (technically called myokymia) can feel disconcerting, the good news is that it’s typically fleeting and harmless. Nevertheless, when you’re in the throes of the mini muscle ...

Federal health officials are adding their sternest warning to a heartburn drug from Wyeth that has been linked to muscle spasms. The Food and Drug Administration said Wyeth's pill Reglan has been ...