Don't take meds, happens at random times doesn't matter if I am happy sad hot or cold. Ears turn bright red and burn burn burn. Not roseca, other than that I don't know.
This is a serious matter and bothers to the person concerned. The first remedy you can do is to blood let with rancid. The location is the highest spot of the ear. This could be adjusted with acupuncture and herb. This is one of concepts that is not explained in western medicine.