Diaper rash is a common skin irritation that occurs in infants and toddlers, typically in areas covered by a diaper. It can appear as red, inflamed patches on the skin and may cause discomfort for the child. The condition is often caused by prolonged exposure to moisture, friction, or irritants such as urine and feces. To prevent diaper rash, caregivers should change diapers frequently and keep the skin clean and dry. Applying a barrier cream can also help protect the skin. If the rash persists or worsens, it may be necessary to consult a pediatrician for further evaluation and treatment.