What Are Spider Veins?
Spider veins, also called telangiectasias, are small, damaged blood vessels that sit near the surface of the skin. They appear as thin, web-like clusters and are commonly found on the face or legs, with colors ranging from pale red to deep purple depending on vessel size and depth.
Spider veins develop when tiny blood vessels (capillaries) weaken and expand, often due to genetics, prolonged standing, hormonal changes or sun exposure. Most spider veins are asymptomatic, although some may experience mild itching or a feeling of heaviness in affected areas. For most people who seek treatment, the primary motivation is cosmetic.
What Causes Spider Veins?
Healthy circulation relies on a complex network of arteries and veins. Arteries carry oxygen-rich blood throughout the body, while veins bring deoxygenated blood back to the heart. In some areas of the body, particularly the legs, this system requires the veins to work against gravity. One-way valves in the veins are nature’s solution to gravity, preventing blood from flowing backward and pooling in the lower extremities.
Excess pressure on the venous system can weaken these valves and allow blood to backflow, forcing the vein to stretch and weaken. When affected blood vessels are larger and deeper, the result is varicose veins. When the smaller, superficial capillaries are damaged, it causes the appearance of spider veins.
Key risk factors of spider veins include:
- Aging
- Genetics
- Prolonged sitting or standing
- Obesity
- Hormonal changes
- Sun exposure
- Gender (women are more likely to develop spider or varicose veins)
Healthy lifestyle habits, like maintaining a healthy weight, limiting sun exposure, wearing compression stockings and improving vascular strength through exercise, can lower your risk of developing spider veins. For spider veins that do appear on the face or legs, Fox Valley Plastic Surgery is an IAC-accredited vein center with a wide range of treatment options, from sclerotherapy and RF ablation to the most advanced lasers for rosacea and facial veins.