This could be coming from an infection at the injection site or due to a localised reaction.
You should consult a physician for assessment and treatment. Do not neglect it as it may lead to significant further problems.
DR Vinu Raj
MBBS MRCS FRCS (Trauma&Orthopaedics)
Consultant Orthopaedic Surgeon
Answered2017-04-20 04:35:02
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