Final answer:
If you notice redness around a colostomy stoma, it could indicate a localized infection. Notify healthcare professionals for evaluation and treatment.
Step-by-step explanation:
When encountering a red area around a colostomy stoma, it is important to assess for signs of infection. In this case, the redness could indicate a localized infection. To address this, you should notify the appropriate healthcare professionals, such as a nurse or doctor, who can assess the situation and provide the necessary treatment. This may involve cleaning and applying antiseptic to the area, as well as prescribing antibiotics, if necessary.