A member asked:

Had a b12 shot a week and a half ago on upper right buttocks and now that i run that area burns like it's on fire.only when i run seems like.

A doctor has provided 1 answer
Dr. Jan Lei Iwata answered

Specializes in Ophthalmology

It was given IM into: your buttocks. so when you run, you use your gluteus major and minor muscles in the area where you were injected. If it bothers you, massage that area manually so it won't feel bruised, even when it's not. IM injections seem to cause that, and it could have been injected near a nerve to get a burning sensation. If it lasts another week, call your doctor, who injected you to visually examine it.

Answered 10/31/2014

3.6k views

Thank

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