Hello girls! My daughter's ears have turned red, she's not scratching,…

Hello girls! My daughter's ears have turned red, she's not scratching, but a crust has formed. I took off the earrings and treated it with peroxide, because of this it got even redder. I read on the internet that you can smear Levocetirizine ointment on it. Has anyone encountered this? Is it dangerous? She's been quite capricious for several days, could this be due to it? What doctor should I consult?