noun
diaper rash; nappy rash
Common term for skin irritation caused by diapers, used in everyday and medical contexts.
赤ちゃんのおむつかぶれがひどくて、薬を塗った。
The baby's diaper rash was severe, so I applied ointment.
おむつかぶれを防ぐには、
To prevent diaper rash, it's important to change diapers frequently.