Hands Trembling or Shaking — What Is Causing It?
Shaking hands are not always Parkinson's disease. Most tremor has a simple, treatable cause — and an accurate diagnosis is the first step.
Trembling or shaking of the hands is one of the most common reasons patients visit a neurologist in Hyderabad. The fear of Parkinson's disease is understandable — but in reality, Parkinson's accounts for a minority of tremor presentations. Essential tremor is 5–10 times more common, and other causes (thyroid overactivity, medication effects, anxiety, physiological tremor) are equally important to consider. Dr. Anand Karnam provides systematic tremor classification and accurate diagnosis.
Seek Emergency Care Immediately If You Have:
- 1Tremor with slowness of movement, stiffness, and reduced arm swing while walking
- 2Tremor with sudden onset after starting a new medication
- 3Tremor accompanied by weight loss, palpitations, or excessive sweating
- 4Tremor with incoordination, balance problems, or difficulty speaking
- 5Tremor in a child — always needs urgent neurological assessment
Possible Causes of This Symptom
Essential Tremor (Most Common)
Action tremor — occurs when holding a cup, writing, or eating. Not present at rest. Bilateral, often with family history. Improves with alcohol, worsens with caffeine and anxiety. Treated with propranolol or primidone.
Parkinson's Disease Tremor
Resting tremor — present when the hand is still, disappears with voluntary movement. Usually starts on one side. Associated with slowness and stiffness. Requires Parkinson's assessment.
Medication-Induced Tremor
Common culprits: salbutamol inhalers, lithium, valproate, amiodarone, metoclopramide, antipsychotics, and high doses of caffeine or bronchodilators. Stopping or reducing the causative drug resolves tremor.
Hyperthyroidism
Overactive thyroid causes a fine, fast tremor — along with weight loss, palpitations, anxiety, and heat intolerance. TSH blood test confirms the diagnosis; treating the thyroid resolves the tremor.
Physiological Tremor (Normal)
Everyone has a fine physiological tremor — it becomes visible and bothersome when exaggerated by anxiety, extreme tiredness, excessive caffeine, alcohol withdrawal, or low blood sugar.
How We Diagnose the Cause
Clinical Tremor Characterisation
Rest vs action vs intention vs task-specific — clinical examination classifies tremor type in most cases without imaging.
Thyroid Function and Blood Tests
TSH, FT4, FBC, glucose — ruling out treatable systemic causes before neurological diagnoses are assigned.
Medication Review
Systematic review of all current medications for tremor-causing agents — often the simplest and most rewarding diagnostic step.
Your Treating Specialist
Sri Anand Child and Neuro Center, Chanda Nagar, Hyderabad
In-house EEG and NCS — same-visit diagnosis, no referral delays
Frequently Asked Questions
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Sri Anand Child & Neuro Hospital · Open 24/7 · Chanda Nagar, Hyderabad