A member asked:

What to do if i have ms & my husband just gave me a shot of b12 in my rt hip area. as soon as he did it there was a red lump?

A doctor has provided 1 answer

Do NOT worry: The injection probably caused a mild local reaction, or even nicked a vein. Unless the lump enlarges or gets hot or pustulent, nothing to worry about.

Answered 9/28/2016

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