A member asked:

Ddx for waking w/cluster of wheals on arm, gone w/in 24h? no bites on partner, can't find bedbugs. had them 3yrs ago in old place but never bites.

A doctor has provided 1 answer

Urticaria: It seems you're describing urticaria. It could be caused by anything or really nothing. When you have rashes the best thing is to figure out anything consistent with the appearance of the rash. What you did before it appeared, what stuff you used on your skin, what you came in contact basically. These are some things to keep in mind. You're going to have to investigate

Answered 9/16/2015

3.8k views

Thank

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