A member asked:

I had a tetanus shot and now a few days later i have a big lump on my arm and its red and hurts?

A doctor has provided 1 answer
Dr. Troy Ross answered

Specializes in Occupational Medicine

An expected reaction: A sore red area at the site of a vaccination is what happens when your healthy immune system reacts to the shot. It should only last 2-3 days.

Answered 1/4/2013

5.4k views

Thank

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