Mayo Clinic Health Manager
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Get StartedSymptoms
By Mayo Clinic staffThe muscle jerks associated with myoclonus are:
- Sudden
- Involuntary
- Shock-like
- Variable in intensity and frequency
- Often limited to one muscle, or initially limited to a group of muscles before spreading to other areas
- Sometimes severe enough to interfere with eating, talking or walking
When to see a doctor
If your myoclonus symptoms become frequent and persistent, talk to your doctor for further evaluation and proper diagnosis and treatment.