Tonic Spasms in Hand: Causes, Symptoms & Conditions
Tonic spasms (sustained involuntary muscle contractions) in the hand can arise from:
- Dystonia: Neurological movement disorders causing abnormal postures/spasms.
- Parkinson's disease: Rigidity, tremors, bradykinesia; hand spasms from rigidity/coordination loss.
- Multiple sclerosis (MS): Spasticity, weakness, stiffness from CNS demyelination.
- Cerebral palsy: Spastic type increases muscle tone/stiffness.
- Wilson's disease: Copper accumulation → neurological spasms, tremors, rigidity.
- Tetanus: Bacterial toxin → sustained spasms in extremities.
- Stroke: Disrupted brain blood flow → motor control loss, spasms.
- Drug-induced: Antipsychotics, antidepressants, stimulants can cause spasms.
- Structural abnormalities: Nerve compression, tendon/joint issues (rare).
Consult a healthcare professional for diagnosis and tailored treatment (medications, physical/occupational therapy).
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