Hi If any wound is not healing for a long time it suggests that the patient needs to monitor the blood sugar much more stringently Please clean the swollen part with the saline solution and apply moist heat gently which will give some relief if there is any wound please clean with the solution and apply povidone ointment(in consultation with your doctor) The causes of swollen feet and ankles are numerous; the following is a list of most of the major causes with some examples. Dependent swelling (or edema): swelling due to standing or walking (usually over some time period that varies from person to person) Medications (side effects): Many medications have the side effect of fluid retention that manifests as swelling. Although the reader is advised to check their individual medications for side effects of swelling, general categories that may cause swelling include anti-inflammatory drugs (steroids and NSAIDs), hormones, medications for people with diabetes, antidepressants, and many calcium channel blockers (anti-hypertensive and cardiac medications). Injury Diseases: heart disease, liver disease, kidney disease (all of these diseases can influence fluid mobilization in the body by physical, metabolic and electrolyte-water interactions) Infection and Lymph edema Please also get his HbA1c levles and if it is high see the diabetologist immediately Wishing him Good Health Regards Dr Sridhar K