Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Twitching
Introduction
Overview
Overview
Twitching, in medical terminology, refers to a type of involuntary muscle contraction. A twitch differs from a reflex eye muscle contraction in that a twitch tends to be repetitive, unwanted, lacking obvious cause, and is not considered part of the normal operation of the body.
Causes
Causes
Editor-In-Chief: Template:Search infobox C. Michael Gibson, M.S., M.D. [1]