Maybe chilblains?: Hard to know without examining the spots and getting more information. A thought that comes to mind is chilblains. Small red bumps that can initially be itchy or slightly painful. Usually resolve in 7-10days. Caused by abnormal reaction to cold (small blood vessels over-constrict and the edema/injury upon rewarming). Pernio is similar, but more persistent after longer exposures.
Answered 5/17/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 3 answers
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