Webaug 18, 2024 · lip twitching, or myokymia, is a common involuntary muscle spasm in the lip area. Lip twitching is involuntary, and it can. Weblip twitching, also named lip fasciculations, is an anomalous irregular contraction of the muscle fibers in the area surrounding the lips.

It can be caused by stress, nutritional deficiencies, caffeine, alcohol, fatigue,.