[header] How to treat hives in children [title] Learn about the presentation of hives. [step] If your child develops hives, they may present on either a localized part of her body or over her entire body. Learning about the presentation of hives on your child's body may help you identify their cause. 
[substeps] Localized hives appear on one part of the body and are usually caused by direct skin contact with plants, pollen, food, or pet saliva and fur. Widespread hives appear all over the body.