However, the rash around your child's mouth might be due to a food allergy. Common foods that cause allergic reactions around the mouth include eggs, peanuts, milk, shellfish, and certain fruits.

Can a food allergy cause a rash around the mouth in children? Medically reviewed by Debra Sullivan, Ph.D., MSN, R.N., CNE, COI — Written by Jenna Fletcher on September 16, 2022.

Skin rashes can be caused by minor irritations or allergies, while others are more serious.

A baby can have an allergic skin reaction for reasons such as contact with irritants, food allergies, and environmental factors. Eczema and hives are common skin reactions. An allergic reaction ...

But the good news is that the itching and rash are usually easily controlled with medications. ... Finally, a handful of food allergies might do this. These mostly occur in children, ...