Venous ulcers causes are underlying vein disease, a sedentary lifestyle, smoking, and obesity, making it crucial to improve your vein health to prevent them. Proper medical evaluation and treatment are essential for venous ulcers to avoid complications such as infection and to promote healing. Also known as venous stasis ulcers, these open, non-healing wounds typically occur on the legs or ankles due to venous insufficiency. Adopting healthy lifestyle choices and seeking appropriate medical care are vital for the best treatment for stasis ulcers.