What could this be, and should I seek help for it?

Anonymous
I've been prone to anxiety attacks for a year now. But lately, I've noticed a secondary thing during the attacks: a sort of rage. Strange, inexplicable noises make me want to fight. I feverishly start seeking out objects that would make good weapons, in the off chance some intruder is asking for a smackdown.

I long to go to the gym, the punching bag becomes a mad craving. Playing GTA or similar games is cathartic, watching hundreds of terrified beings get what's coming to them. Things I'd have a much harder time doing to someone real - unless they really really screwed up.

Without medicine, it can take up to an hour and a half to calm down. Is this serious? What is it? What could it become? I'd rather know, before I hurt somebody some day.

A guy was walking behind me earlier, during an episode, and I had to occasionally look over my shoulder to make sure he wasn't a mugger. If so, I was ready to judo him to the ground and rip him apart with my bare hands. Thankfully, he turned and went somewhere else. So I just ignored him from that point.
What could this be, and should I seek help for it?
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