Why Is My Hand Shaking? Understanding Early Signs of Neurological Disorders Hand tremorsuncontrollable shaking or tremblingcan be unsettling, especially when they occur without a clear cause. While occasional shaking might result from Raynaud's Disease & Syndrome: Symptoms, Causes, Treatment Why Do My Fingers Twitch? Common Causes, Treatments, And When To Seek Medical Help 1 HP Raynaud's Syndrome: Symptoms, Causes, Diagnosis, Treatment, and Prevention Thumb Twitching: Causes and Common Triggers Rothman Orthopaedics