I have blood in my pee what would cause that? it's not because of my period. been off it for four days. i have no pain anywhere. it is a light color blood?

Infections, kidney stones, medications, exercise, and other structural diseases of the kidney or bladder. I would start with a visit to your PCP for urine testing. They can refer to sub specialists if needed based on testing.

There can be many reasonds for that. Best is to see your MD and get urine checked. In the meantime drink plenty of water.