Unusual: It sound like you either are having a reaction to the injection or developing an associated infection. It's hard to say without examining you. But I would encourage to seek a more formal in-person evaluation and in the meantime consider placing cold packs on the "lump".
Answered 10/13/2014
3.6k views
Flu symptoms: May last longer than 2 days but hot red lumps are not usually related to Flu. so seek help and proper management and diagnosis
Answered 10/13/2014
3.6k views
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