15 May 2019 Nappy rash or contact dermatitis is reddish, irritated and sometimes flaky skin with small wounds in the nappy area. That is: On the skin of the buttocks; On the genitals. This rash is due to the acidity of stools and urine , so the longer the dirty nappy is in contact with the area, the greater the likelihood of nappy rash. This problem can cause soreness in the affected area, so it is normal for the baby to cry and be fussy or restless, especially during nappy changes. Nappy rash can be prevented by appropriate hygiene, such as: Change the nappy whenever it is dirty; Wash and dry the area well when changing the baby; Protect dry skin with a fatty cream before putting on a clean nappy. Take particular care if the baby already has nappy rash. If the condition persists, seek medical attention. This article was written with the support of physicians and other clinical professionals from the Hospital da Luz network. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.