A 30-year-old member asked:
Pain in upper left arm after the flu shot. how long it lasts?
1 doctor answer • 6 doctors weighed in

Dr. Arti Jainanswered
Pediatrics 27 years experience
1-2 days: Local adverse reactions like soreness, swelling and redness usually begin soon after the shot and last 1-2 days.
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6k viewsReviewed May 13, 2022
Last updated May 13, 2022
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