MedDroidSymptom guide
Hand tremor: causes, warning signs & what to do
Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed
Medically reviewedA slight shake of the hands is normal, and becomes more noticeable with stress, caffeine or tiredness. A tremor that interferes with writing or eating, or appears at rest, should be checked.
Possible causes
Common causes of hand tremor
- Normal (physiological) tremor made worse by caffeine, stress, tiredness or nicotine
- Essential tremor — shaking when using the hands, often runs in families
- Overactive thyroid — tremor with weight loss, sweating and a fast heartbeat
- Parkinson’s disease — tremor at rest, with slowness and stiffness
- Anxiety or panic
- Low blood sugar, alcohol withdrawal, or side effects of some medicines
Self-care
What you can do now
- Cut down on tea, coffee and energy drinks
- Get enough sleep and manage stress
- If you have diabetes, check your sugar when you feel shaky
- Note when the tremor happens — at rest or with movement — this helps your doctor
Red flags
When to see a doctor urgently
- Shaking with sweating, confusion or drowsiness (possible low blood sugar) — take sugar if you can and get help
- Tremor with confusion, hallucinations or fits after stopping alcohol — call your local emergency number (108/112 in India)
- Sudden tremor with weakness, numbness or slurred speech
- Tremor that is worsening or affecting daily tasks
Checks
Tests a doctor may suggest
Depending on your history and examination, a doctor may suggest some of these. Your doctor decides which, if any, you need.
Explore more
Related pages
References
Sources & further reading
Frequently asked questions
Why do my hands shake?
Common reasons are stress, caffeine, tiredness and an overactive thyroid. Essential tremor is the commonest lasting cause. A doctor can examine you and check simple tests.
Is a hand tremor a sign of Parkinson’s?
Not usually. Parkinson’s tremor tends to happen at rest and comes with slowness and stiffness. Most hand tremors are not Parkinson’s.
Can anxiety cause shaking hands?
Yes. Adrenaline released during anxiety can cause shaking, a fast heartbeat and sweating. It usually settles when the anxiety eases.