Understanding Lip Twitching: Causes, Symptoms & When to See a Doctor

A twitching bottom lip is often associated with anxiety, worry, or a feeling of uncertainty or nervousness. It can also be a sign of fatigue or stress. In some cases, it may be a symptom of a neurological disorder or tic. If the twitching is persistent or severe, it is advisable to consult a doctor to rule out any underlying medical conditions.