Home > What causes leg ulcers in elderly? > What causes leg ulcers in elderly? What causes leg ulcers in elderly? Home > What causes leg ulcers in elderly? > What causes leg ulcers in elderly? Venous leg ulcers can develop in the elderly as a result of more inactivity and finding it more difficult to move around due to increasing age and conditions such as arthritis. This can worsen the blood circulation and cause skin changes, which can then turn into a venous ulcer.