?Flu shot?: Assuming you mean the flu shot in your r arm, the most common reaction is local irritation at the injection site. Possibly the act of you coughing is just making you muscle move int he area the injection was given, causing a local reaction. This should resolve with time. See dr if persists.
Answered 9/29/2016
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
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