A few days usually: Occasionally, people will have a delayed-type hypersensitivity reaction to mosquito bites. I am one of those people. The initial redness (relatively mild) lasts a day or two, followed by persistent redness and itching that goes on for a week or more. Hydrocortisone cream is your friend under these circumstances.
Answered 6/25/2014
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A doctor has provided 1 answer
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3 doctors weighed in across 2 answers
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