It has been reported that one in 500 people in the UK are living with a stoma (Colostomy UK, 2022) and nearly three-quarters of people with a stoma experience skin problems. Therefore, skin assessment, cornerstone of peristomal skin care. This article introduces common peristomal complications, focusing on the assessment and prevention of two distinct groups of peristomal skin damage; peristomal moisture-associated skin damage (PMASD), one of the types of moisture-associated skin damage (MASD), and peristomal medical adhesive-related skin injuries (PMARSI).