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?
1 doctor answer • 1 doctor weighed in

Dr. Troy Rossanswered
Occupational Medicine 26 years experience
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.
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsAnswered >2 years ago
Last updated Jun 16, 2013
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