Question: is myoclonus a symptom of ms?
Answer: They can be normal -- a hiccup or a "sleep start" when you're falling asleep, for example -- or they may be a sign of a serious health condition such as multiple sclerosis, dementia, or Parkinson's disease. Myoclonus might include sudden jerking, quivering, or twitching. You can have one episode or many in a row.