Why Is My Arm Sore After Getting The COVID Vaccine? It's normal for your arm to be a bit tender or even painful after getting a shot - so the question for the recently-vaccinated is figuring out how to treat your sore arm after getting your COVID vaccine. When you're pumped up to finally receive your COVID vaccine, it can be a real buzzkill to come home feeling a lot of discomfort and even pain where you got your injection.
