It's possible: Allergic reaction take on different faces, and can be somewhat delayed. So it is indeed possible that a sting in the past few days could be leading to facial swelling today. Recommend trying benadryl, (diphenhydramine) but if having any difficulty breathing, swallowing needs to be seen today.
Answered 9/28/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
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