Lidocaine Allergic Reaction?

I had to have a sliver of wood removed from my hand roughly 2 weeks ago. The Dr. used lidocaine for the local anesthetic.
I have not had lidocaine before however, I have never had an allergic reaction to "Medical treatments" before.
One week (roughly) after the treatment I got a rash on my chest that has now spread to my inner thighs maybe a 10 inch patch, a 2 inch spot on the tops of both feet, my hips, and small out breaks underneath both arms above the elbows.
Is this a delayed Lidocaine reaction? I don't have any other allergies nor am I on any other medication. I'm currenly on a south pacific island and was originaly thinking heat rash but......

thanks for the help