For a few years, I have been experiencing very infrequent shooting pain down the right side of my head. and right side arm Sometimes it happens 2 or 3 times a week and then I might not feel it again for a few weeks or months. It can happen at any time of the day. The pain only lasts for a second or two Sometimes it is just a tingling sensation and other times it is a very intense, but quick, pain. I don't have any other symptoms and I am a healthy, active 41 year old female. I am worried about what this could possibly be. Thank you.