Varicose veins can occur on various parts of the body, including the hands. When varicose veins appeThe causes of varicose veins on the hands are similar to those on the legs or feet. They can be related to weakened or damaged valves in the veins, leading to blood pooling and vein enlargement.ar on the hands, they are typically referred to as “hand varicose veins” or “varicose veins on the hands.”