Myoclonus is a fast, sudden muscle movement, like a twitch or jerk. It can be harmless and happen for normal reasons or it can be a symptom of a medical condition.

Apr 7, 2025 · Myoclonus refers to sudden, brief involuntary twitching or jerking of a muscle or group of muscles. The twitching cannot be stopped or controlled by the person experiencing it. …

Mar 9, 2024 · These random twitches, which can feel faint or really bug you, happen on the upper or lower lid. Triggers range from stress and smoking to wind, bright light, too much caffeine, …

Jan 7, 2025 · Muscle twitching can result from both minor and more serious causes. Keep reading to learn about muscle twitching, its causes, and when to get medical attention.

Dec 12, 2025 · Muscle twitches are usually due to a benign cause like stress or muscle fatigue. Learn what else can cause them and the signs of a more serious condition.

Feb 7, 2025 · Muscle twitches are an involuntary movement or contraction of a muscle that many people experience at some point. While often harmless, they can sometimes signal underlying …

Jan 13, 2023 · Myoclonus refers to a quick jerking movement that you can't control. Hiccups are a form of myoclonus, as are the sudden jerks or "sleep starts" that you may feel just before …

Mar 31, 2024 · Muscle twitches are fine movements of a small area of muscle. Muscle twitching is caused by minor muscle contractions in the area, or uncontrollable twitching of a muscle group …

Sep 30, 2025 · One of the earliest and most common symptoms of ALS is muscle twitching, medically referred to as fasciculations. These involuntary twitches occur because the …

Dec 5, 2024 · Muscle twitches, or fasciculations, are involuntary contractions of a part of a muscle. What muscles most commonly twitch? Any muscle can twitch, but muscle twitches are …