Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs Diabetic foot ulcerUpdated: 2017-06-13OverviewDiabetic foot ulcer is an open foot sore or wound that occurs in people who have diabetes. A lack of feeling in the foot, poor circulation, irritation, and trauma can play a role in the forming of the ulcer.SymptomsSymptoms might include drainage, redness, and swelling.TreatmentsTreatments might include medications, bandages, and surgery. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use