I woke up this morning with the worst headache I had in my entire life (I’m 55) and when I looked in the mirror my left eye was completely bloodshot. I took Tylenol hoping that headache will at least ease a bit, but nothing happened. I feel like I have some metal ring that’s squishing my forehead and the back of my head. And the eye looks like it’s infected, but I have no idea how could that happen. Is it possible that the issue with my eye is causing this horrible nightmare headache? If not, what else could cause very bad headache, together with bloodshot eye?