The first immunization that was given to my daughter on the left shoulder is swollen, what should I apply? she is 4 months now. Pls help

The first immunization that was given to my daughter on the left shoulder is swollen, what should I apply? she is 4 months now. Pls help

4 months Immunization

Dear mom, NORMAL reaction it will eventually resolve to become a scar! No need to worry about it

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