A member asked:

Should the arm be really sore after getting a pneumonia shot?

A doctor has provided 1 answer

Perhaps: Pain at the site of an immunologic injection (vaccine) is usually showing that your immune system is working well and the vaccine is having its desired result. Other times it can be simply from a deep bruise. Both respond to Acetaminophen and cold compresses initially, but warm compresses may make the pain feel better after the first 24 hours.

Answered 1/28/2021

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Why does my arm hurt after I get a flu shot? It feels sore.

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