Diaper rash is a common problem faced by infants and toddlers. Fortunately, there are numerous synonyms for diaper rash that can help parents understand the condition and get the necessary treatment. Some terms to describe diaper rash include nappy rash, baby rash, diaper dermatitis, and irritant diaper dermatitis. These phrases all describe the red, irritated skin that can appear on a baby's bottom due to prolonged exposure to wetness or friction. It's important for parents to know these synonyms so they can recognize the problem and take steps to alleviate the discomfort for their little ones. Using preventative measures like frequent diaper changes and gentle skin care can help prevent diaper rash from occurring.