red ears; could they be heat related, too?

[Guest guest]

My son often has red ears, and I have tied them to a couple of food

sensitivities. However, lately, both he and I have noticed red ears at

times I am not aware of an offensive food being ingested. We have, however,

had over 20 days of triple digit temperatures and we do notice them being

red when we are out school shopping. Should I be sleuthing for more

sensitivities or COULD the heat cause his ears to be redder than the rest of

his face. Whatcha think? C. in Hot and Dry Central Texas