Spider Veins

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Spider Veins: Causes, Symptoms, & Treatments

Have you noticed thin, web-like veins appearing on your legs or other areas of your body? Commonly known as spider veins, these visible veins are dilated capillaries located near the skin’s surface. They can be colorful in appearance, showing up as red, purple, or blue. Unlike varicose veins, spider veins are not usually raised, bulging, or painful.

You may believe that spider veins are a cosmetic issue because they aren’t always bothersome. Unfortunately, spider veins can be a sign of underlying vein disease, or venous insufficiency. If left untreated, vein disease can lead to serious health conditions like blood clots and venous ulcers, which are open, non-healing wounds.

Our vein specialists at USA Vein Clinics are experts on spider veins symptoms and causes. The good news is that spider veins can be effectively treated with non-surgical techniques like Visual Sclerotherapy. Below, you’ll find everything you need to know about these potentially problematic veins and what to do about them. 

Spider Veins Symptoms and Causes

What Are the Symptoms of Spider Veins?

Along with the telltale appearance of spider veins, there are several other symptoms to look out for. If you have spider veins on legs, symptoms may include: 

  • Swelling in the affected area
  • Leg restlessness, especially at night
  • Sensation of tingling, numbness, burning, or itching
  • Tenderness or redness surrounding impacted veins

It is possible to experience spider vein pain symptoms without seeing any visible signs on the skin’s surface. 

What Causes Spider Veins on Legs?

Spider veins are caused by underlying vein disease. Risk factors that can impact your likelihood of developing vein disease include:

  • Family history of vein disease: When it comes to developing problems with your veins, there is a strong genetic component involved. If you have a close family member (or multiple ones) with vein disease, you are more likely to develop varicose and spider veins. 
  • Standing for long periods: Vein issues can develop when your veins strain against gravity to pump blood back up to the heart. This often results in blood collecting in the veins of your legs, ankles, and feet. 
  • Obesity: Along with impacting your overall physical health, excess weight puts extra pressure on leg veins. This can cause your veins to malfunction over time.
  • Pregnancy: Increased blood flow and extra weight during pregnancy can cause spider veins to develop.
  • History of blood clots: Previous damage to vein valves may cause them to malfunction which can result in spider veins on legs symptoms. Malfunctioning veins can also raise your risks of developing blood clots. 
  • Use of birth control pills: An influx of estrogen can weaken vein valves.

What Are the Risks of Spider Veins?

Spider veins do not usually pose an immediate risk to your health, but over time can develop into more serious conditions if left untreated. One potentially life-threatening issue is deep vein thrombosis (DVT), which requires immediate medical attention. Additionally, venous ulcers on your legs can put you at risk for infection. 

At USA Vein Clinics, we offer effective spider vein treatment that can redirect blood flow around these malfunctioning veins. We also offer varicose vein treatment. After treatment, many of our patients report relief from painful, uncomfortable, and unsightly vein disease symptoms. 

To learn more about spider vein symptoms and causes and treatments, schedule an appointment today. If you prefer a virtual visit, we also offer telemedicine consultations. Whether we see you online or at one of our 90 locations, we can help you find relief. Our experts look forward to helping you discover an improved quality of life!

Take Our Short Symptoms Quiz

Do you wear pants or skirts to cover your bulging, discolored veins?


Is your sleep interrupted by restless legs or discomfort?


Have you experienced itching or burning?


Have your feet become too swollen to wear your boots or shoes comfortably?


Do you avoid activities that involve standing for long periods of time?


Tell us a little bit about yourself and we can help find the best treatment option for you.



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