excersising hurts my head?

Question

when i do push ups for some reason during the middle of my push up session my head hurts alot. feels like someone just slapped me in the back of my head really hard. and it stays for a while. same thing with chin ups when im in the middle of my chin ups i ffeel the same pain in my head. hurts really bad. even if i take medicine the next day i try to do one of these task it hurts alot. any one know why?

Answer 1

Blood pressure!