‌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 ...

Although muscle spasms are usually short lived and aren’t serious, they can be painful. Stretching can be particularly helpful at relieving a muscle spasm. Other home treatments like massage, using ...