Opsoclonus myoclonus is a rare neurological disorder characterized by the following symptoms:
- an unsteady walk
- muscle spasms
- irregular, rapid eye movements
- difficulty speaking, poorly articulated speech, or an inability to speak
- decrease in muscle tone
- lethargy, irritability, and discomfort
Opsoclonus myoclonus may occur in association with tumors or viral infections. It is often seen in children with tumors. Vaccines are linked to Opsoclonus-Myoclonus Syndrome.


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Vaccine injury can be often very complicated, painful and lifelong. Injuries compensated by the Vaccine Injury Compensation Program include the following:

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- Allergic Reaction/Anaphylaxis
- Autoimmune Disorders
- Blood Clots
- Blood Disorders
- Bowel Injury
- Brain Damage
- Chronic Fatigue
- Death
- Nerve Damage
