RE: Migrane after diving?
Probably the most common cause of headaches while or after diving is CO2 buildup from "skip breathing" (holding your breath in between inhale and exhale) as Florabama pointed out- most of us do ittopside and it's easy to do underwater without realizing it. If you regularly have headaches during or immediately after diving, this is a likely cause.
Physical Stress from using muscles that haven't been used in a while, coupled with some mental stress from having to relearn can cause bad headaches andbiting down too hard on a mouthpiece for a long period of time can cause tension headaches as well - we see some of this with new students.
As previously pointed out, sinus issues cancause all sortsof problems, but they're usually pretty obvious.
"Bad Air" israre, and if it wasbad enough to cause that type of headache, you'd know it was bad before you hit 20 feet.
My official disclaimer: I am not an MD, and if the headache lasts for a while or reoccurs I recommend that you go see a doctor that is familiar with dive ops to make sure there is not something more serious going on.
|