A member asked:

I woke up 2 days ago with a bump on my back near my waistline. it's in the shape of a circle and about 2 inches in diameter. it's red , hard?

A doctor has provided 1 answer

Many possibilities: This could be infectious, or an allergic reaction or a contact dermatitis or an insect bite. If this does not resolve quickly you should show this to a doctor.

Answered 9/4/2012

5.6k views

Thank

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