Fibromyalgia symptoms are known as one of a few causes of twitching nerves. There is a superstition floating around that states if your left eye twitches, you will become angry about "something" in the near future. If there is a twitch in your right eye, than "something" will upset you. You could possibly have a nervous system disorder. Lou Gehrig's disease can also cause twitching. For more
. information try this site: http://health.nytimes.com/health/guides/symptoms/muscle-twitching/overview.html.