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Dr. David, Board Certified Physician
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I had a vitamin B12 shot .Next day I noticed red spots on my

Resolved Question:

I had a vitamin B12 shot .Next day I noticed red spots on my left for arm Third day my for arm got swollen .Should I wait an other 4 -5 days for absorption or there is a specific treatment for that .
I had for 2 years monthly B12 gotten I never experienced any side effect
Please advise
Submitted: 6 months ago.
Category: Medical
Expert:  Dr. David replied 6 months ago.
Hello, this is Dr. David. I have read your question and I'm ready to help.

any sort of arm swelling after a shot needs to be evaluated by a doctor.

at your age, the swelling could be from a blood clot which may or may not have been due to the shot

it could be due to infection or abscess possibly.

if there is noticible swelling of the arm or redness or pain or warmth, you should go to the ER to have the arm evaluated and ultrasound to make sure there is no blood clot in there or infection or abscess in the arm causing the issue
Dr. David, Board Certified Physician
Category: Medical
Satisfied Customers: 27801
Experience: Experienced Physician trained in New York City. I'm ready to help.
Dr. David and 3 other Medical Specialists are ready to help you
Customer: replied 6 months ago.

I have no pain and no redness but I noticed this evening a little bit more a pro eminent bump , 2X2 inch size.


Please advise


 

Expert:  Dr. David replied 6 months ago.
this prominent bump seems small and could be just a mild local reaction

you should try some ice on the area to ice down the local reaction

and see if the swelling gets better tomorrow.

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