Our expert says:
Re the bruises - please ask your doctor to check your platelet count and coagulation factors - you may have a bleeding disorder or side effects of medication (e.g aspirin, ginko biloba or St Johns wort)
The red ear could be caused by widening of the arteries in the ear and it could be triggered by cold (the coldness causes spasm of the arteries which causes build up of CO2 and if you move into a warmer area, this causes flushing of the ear) Try using Flush free Niacin to improve your blood circulation all over and prevent spasm due to cold.
A similar condition causes redness with pain - see http://dermnetnz.org/vascular/erythromelalgia.html
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