What Causes Hand Tremors? Medical Conditions, Medications & Lifestyle Triggers Explained
Hand tremors can be caused by neurological conditions, other medical problems, medication side effects or temporary triggers such as stress, fatigue and excessive caffeine. Because several causes can produce similar shaking, a hand tremor should be treated as a symptom rather than a diagnosis.
Finger Twitching vs. Tremors: How to Tell the Difference and When to Seek Help

Finger twitching and finger tremors are different movement patterns. Finger twitching usually feels like a small, brief, irregular muscle jump. A finger tremor is more often a repeated, rhythmic shaking movement that may affect control of the finger, thumb, or hand.
