A member asked:

After getting a flu shot, the injection site swelled & was hot. it itched mildly. now, 2 days after shot, i have a rash under my arms. is this related?

A doctor has provided 1 answer
Dr. Joram Seggev answered

Specializes in Internal Medicine - Allergy & Immunology

May be: The interval between your flu vaccine and the rash may suggest that the rash is due to the vaccine. However, it may be a coincidence. If it does not bother you, i would wait. If it itches, would take an antihistamine such as cetirizine, Loratadine or fexofenadine (all available otc). If no better if a few days, see your physician.

Answered 10/15/2015

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