What's the difference between epidural,local,regional and topical ?!

Question: What's the difference between epidural,local,regional and topical .?
Answers:

Great question!

I know I had an epidural when my daughter was born...and I've heard of the other terms used..but check out webMD for exact definitions and information :)

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What's the difference between epidural,local,regional and topical ?!

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