The muscle twitch creates short, involuntary muscle contractions, which affect tiny muscle areas that lie beneath the skin.

‌Hemifacial spasm is a disorder of the nerves and muscles that causes nonpainful involuntary twitching on one side of the face. Many people refer to hemifacial spasms as lip muscle spasms. Hemifacial ...

Bladder spasms cause you to suddenly feel like you need to run to the bathroom and empty your bladder. They occur when the muscles in your bladder contract rapidly. Bladder spasms are common for ...

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 ...

Diaphragm spasms feel like twitches in the area between the chest and the abdomen. They can occur with or without pain. Possible causes include an injury, nerve irritation, or a rare condition known ...

Feeling a muscle spasm in your abdomen can be a mildly annoying experience — or a downright painful one. In many cases, abdominal muscle spasms can be prevented by making changes in your eating and ...

Abdominal spasms — which some people refer to as stomach spasms or twitching — occur when muscles in the stomach or intestines contract. These spasms can range in intensity and duration. Stomach ...