Spider veins are among the most common vascular concerns affecting both women and men, often appearing as fine red, blue, or purple web-like vessels visible beneath the skin. Although frequently viewed as a cosmetic issue, spider veins represent underlying changes in venous circulation and may reflect early venous insufficiency. At Santa Monica Vein Center, Dr. Raffy Karamanoukian provides advanced evaluation and treatment of spider veins using modern foam sclerotherapy techniques designed to safely restore both vascular health and cosmetic appearance.

Spider veins develop when small superficial veins lose their structural integrity and become dilated due to increased venous pressure. One of the strongest risk factors is family history. Patients with genetic predisposition often inherit weaker vein walls or faulty venous valves, making them more susceptible to venous pooling over time. Chronic venous insufficiency further accelerates this process. When valves within the veins fail to properly direct blood back toward the heart, pressure builds in the lower extremities, causing tiny capillaries and venules to expand and become permanently visible through the skin.

Hormonal exposure plays a major role in spider vein formation, particularly in women. Estrogen and progesterone influence vascular elasticity and can weaken vein walls, which explains why spider veins frequently appear during periods of hormonal fluctuation such as pregnancy, menopause, or hormone therapy. Pregnancy introduces additional contributing factors, including increased blood volume, uterine pressure on pelvic veins, and hormonal relaxation of vascular tissue. Many patients first notice spider veins after childbirth, especially around the ankles and feet where gravitational pressure is greatest.

Surgical procedures and prolonged immobility may also contribute to spider vein development. Following surgery, temporary inactivity can impair calf muscle pumping, allowing blood to stagnate within superficial veins. Over time, this venous congestion promotes dilation of small vessels and formation of visible telangiectasias.

Spider veins on the ankles and feet are particularly common because these areas experience the highest hydrostatic pressure in the body. Standing occupations, prolonged sitting, tight footwear, prior injuries, and underlying venous reflux all contribute to increased pressure in distal veins. The skin in these regions is thinner, allowing even very small veins to become noticeable. In many patients, ankle spider veins are an early sign of deeper venous dysfunction that requires expert evaluation by a vein specialist.

One of the most effective treatments available today is foam sclerotherapy using polidocanol, commercially known as Asclera®. Sclerotherapy is considered the first-line treatment for spider veins and involves injecting a specialized solution directly into affected vessels using extremely fine needles. The medication irritates the inner lining of the vein, causing it to collapse, seal shut, and gradually be reabsorbed by the body over several weeks.
Polidocanol is an FDA-approved sclerosant specifically indicated for spider and reticular veins of the lower extremities. Once injected, it damages the vein endothelium, leading to platelet aggregation and eventual fibrosis of the treated vessel, effectively eliminating the abnormal vein from circulation. Compared with older agents, polidocanol offers excellent tolerability, minimal discomfort, and a lower risk of pigmentation changes.

Foam sclerotherapy represents an advanced evolution of traditional liquid injections. By mixing polidocanol with air or gas to create a microfoam, the solution displaces blood within the vein more effectively, allowing greater contact with the vessel wall. This improves treatment efficiency and often reduces the number of sessions required, particularly for reticular veins and feeding vessels associated with spider veins.

At the Santa Monica Vein Center, Dr. Karamanoukian performs foam sclerotherapy using precision microneedles, typically 30-gauge instruments that allow highly controlled placement of the sclerosant into even the smallest vessels. The minimally invasive procedure is performed in the office setting, usually lasting 15 to 45 minutes depending on the number of veins treated. Patients are encouraged to walk immediately afterward and wear compression stockings to optimize results and support healthy circulation during healing.

As a board-certified vein surgeon, Dr. Karamanoukian combines aesthetic precision with medical expertise in venous disease. Each patient undergoes individualized evaluation to identify contributing factors such as venous insufficiency, hormonal influences, or lifestyle risks before treatment begins. This comprehensive approach helps reduce recurrence and ensures natural-appearing cosmetic outcomes.
Foam sclerotherapy with polidocanol and Asclera injections provides a safe, effective, and minimally invasive solution for spider veins of the legs, ankles, and feet. By addressing both the visible veins and the underlying vascular physiology, treatment at the Santa Monica Vein Center allows patients to achieve healthier circulation, improved comfort, and renewed confidence in the appearance of their legs.