5 doctors weighed in:
Pain in upper left arm after the flu shot. How long it lasts?
5 doctors weighed in

Dr. Arti Jain
Pediatrics
4 doctors agree
In brief: 1-2 days
Local adverse reactions like soreness, swelling and redness usually begin soon after the shot and last 1-2 days.

In brief: 1-2 days
Local adverse reactions like soreness, swelling and redness usually begin soon after the shot and last 1-2 days.
Dr. Arti Jain
Dr. Arti Jain
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