I don t know what caused it but I play basketball and I don t know if that could be the case, but I woke up this morning and was doing my make up and realized there was a bump above my left eyebrow. I thought it was just a really big zit and just went on with my day, it started really hurting about 3 O clock today and I had basketball practice at 5:30. I went to practice and realized that this thing has grown it s about the size of quarter maybe even bigger. I got home and showed my my and she told my to ice it. So I iced it and now I have a headache, what could this possibly be?