answer:It does sound like an allergic response. Other causes are menopause, too much caffeine, high bp (uncommon) and a few rare things. Here is one of many sites red hot ears My face use to turn red and hot when I ate chocolate cake. It was temporary, and now that I no longer eat chocolate cake, my face stays cool and dry (unless it is 90˚). Treatment is draconian (beta blockers). If it is just every so often, use the ice or live with it.