I Can't Tell If I Have A Spider Bite Or

I can't tell if I have a spider bite or a ringworm. I have a circle on my hand with two small scars close to the center of the circle. It is not swollen and it does not hurt or itch. It only gets irritated a little bit if you touch it. Close to the center of the circle. It is not swollen and it does not hurt or itch. It only gets irritated a little bit if you touch it.