They usually develop in the legs and can be seen through the skin. Varicose Veins and Spider Veins: Causes and Treatments Treatment Options for Varicose Veins and Spider Veins. Many things can damage your valves, but your risk of varicose veins and spider. Apr 2 20Spider veins and varicose veins are caused by structural abnormalities of blood vessels. Varicose veins - Symptoms and causes - Mayo Clinic Varicose veins are large, raise swollen blood vessels that twist and turn.
Varicose veins and spider veins are caused by damaged valves in the veins that prevent blood from flowing normally. Veins carry blood back to the heart from other parts of the body.
Good skin hygiene, weight loss (if needed and walking can help treat varicose veins and spider veins. A change in body position, for instance going from sitting or lying down to standing upright, which can cause an extreme drop in blood pressure, is called postural or orthostatic hypotension.