I keep getting this pain in the back of my head on the right side. It feels like its being pinched and it hurts for like a few seconds, but always less then a minute. And when I am sleeping, it hurts for a little longer. I have no idea what it is, and it just comes and goes. It doesnt stay, just randomly comes and goes. I have told my doctor before about headaches and things, but there hasnt been any further discussion about it. Can anyone give me any insite as to what it could be, and is there a possiblitity that its a brain tumor? I have told my doctor that that is my fear because I also have vision issues (I see dots really bad, like looking at a fuzzy screen and sometimes I see waves which arent normal in my vision). I really want to figure this out so that I dont have to continue to worry. Thanks for any help! I dont know what else to add right now, so if you have any other questions for me that might help figure this out, let me know!