I freak out when I chew gum?

Whenever I chew gum I cringe a lot and I have the urge to chew really hard on the gum. Then I have like head spasms and I really don't like it. It only happens when I chew bubble gum. What is this?

hmm maybe ask a doctor or maybe you chew it too hard that your head hurts maybe when you sleep you grind your teeth while your sleeping...

The simplest answer is that it's an adverse reaction to chewing gum. Don't chew gum. Suck a peppermint or something...