Help! I electrocuted myself with 18 volts continuously for at least three minutes by placing the one end of the source to my nose and the other to my hand. The thing is that aside from a little tingling I didn't feel anything else, but as soon as I stopped it I started getting very dizzy and my tongue felt weird.

20 minutes later I'm still dizzy and I don't know why. What happened /bant/ and how to stop it?