My 4 year old daughter has red swelling on both ears. I know it s not a spider bite or sunburn. I am perplexed by it because it is getting bigger. It doesn t seem to cause her too much pain or itching. I took her to her ped but he had no clue what it is was and didn t set her up with a referral to a different dr.
A few things that might cause this : most commonly allergy causes a bilateral ear swelling and redness, its mostly due to the contact with chemical material like soap, creams, makeup, sunscreen or even a shampoo .try to limit the use of these chemicals until you decides what is the one that make her allergic.another possibility is ear-piercing if its recent, can cause bilateral Jericho Chat Doctor.  I hope this was helpful