What causes muscles to twitch?

Common causes of muscle twitching include the following: Twitching can occur after physical activity because lactic acid accumulates in the muscles used during exercise. ... Muscle twitches caused by stress and anxiety are often called “nervous ticks.” They can affect any muscle in the body.Apr 15, 2016 read more

Muscle twitches caused by stress and anxiety are often called “nervous ticks.” They can affect any muscle in the body. Consuming too much caffeine and other stimulants can cause muscles in any part of the body to twitch. Deficiencies of certain nutrients can cause muscle spasms, particularly in the eyelids, calves, and hands. read more

Medical conditions that cause metabolic disorders, including low potassium, and kidney disease, and uremia. Twitches not caused by disease or disorders (benign twitches), often affecting the eyelids, calf, or thumb. These twitches are normal and quite common, and are often triggered by stress or anxiety. read more

Twitches and spasms can be warning signs that this common condition is affecting the nerves that control your muscles. Some people are born with it, but it can happen because of an injury, infection, disease, alcoholism, and some medications. read more