Can mupirocin ointment be applied to mouth ulcers?

Mupirocin ointment should not be applied to oral ulcers. For skin ulcers, mupirocin ointment can be used topically on the affected area. During medication use, monitor the skin for symptoms such as itching or pain. Mupirocin ointment helps prevent bacterial infections and is a topical antibiotic; it is recommended to use under medical guidance.