Why Do I Have Spider Veins and What Can I Do About Them?

Delaware state person relaxing on beach chair under the sun

Are you noticing thin, web-like networks of veins on your legs and wondering, “Why do I have spider veins?” You’re not alone. This condition affects millions of people worldwide. Though primarily a cosmetic concern, their appearance can alert you to potential underlying health conditions or lifestyle choices that warrant closer scrutiny and care.


Concerned? You shouldn’t be. Understanding why they develop means you’re better equipped to investigate treatments and preventative strategies to lessen their appearance. So without further ado, let’s explore the roots and causes of spider veins. 

What are Spider Veins?


Why should you care about spider veins? Sure, they’re not exactly a beauty mark, but they don’t always signal terrible health. However, they do hint that something’s off with your blood flow and can even be an indicator of venous insufficiency


Spider veins are clusters of small, damaged blood vessels that make a colorful display on the skin’s surface, often in vivid shades of red, blue, or purple. Their jagged, short lines mimic the appearance of spider webs, emerging around a central vein.


The root cause is the malfunctioning of tiny valves within the vessels, disrupting normal blood flow. These veins, lying just beneath the skin, become visible due to the obstruction of blood flow, resulting in blood accumulation instead of a smooth return to the heart.

7 Factors That Lead to Spider Veins


Clearly, the ideal scenario is for your blood to circulate back to the heart smoothly, and the fact that spider veins might be hindering this process—even slightly—can be concerning. So let’s explore some of the reasons why they are making an appearance on your skin:


Genetic Predisposition


If your family has a history of blood clots or varicose veins, chances are you might get them too. In fact, 90% of people with spider veins have someone in their family who’s had them as well. 




Just like a lot of things in our body that tend to loosen and stretch with age, your veins are no different. Over time, veins lose elasticity and become weaker, making it harder to keep blood moving towards the heart. Now instead of moving along as it should, blood may start to flow backward and pool up in the veins, leaving you with spider veins. 


Hormonal Changes


Female hormonal fluctuations linked to pregnancy, birth control, puberty, and menopause can adversely affect vein health, leading to weakened vein walls. This is compounded by the rise in estrogen levels, which increases the body’s blood volume, putting additional pressure on veins and potentially causing damage. Pregnancy not only boosts overall blood volume but also decreases the flow of blood from the legs to the pelvis. This combination strains vein walls, both in terms of elasticity and strength, creating an environment conducive to the formation of spider veins.


Lifestyle and Occupation


Jobs that require long periods of standing or sitting can impede blood flow and increase pressure in leg veins, contributing to the development of spider veins. Occupations that require long periods of sitting or standing can also put you at higher risk for developing them.


Delaware state person relaxing on beach chair under the sun explaining sun damage leads to inflammation which leads to spider veins



Carrying surplus weight doesn’t just strain your body. It burdens your veins with excess pressure, setting the stage for spider veins as it overworks and weakens the delicate valves within. Often, obesity is partnered with a sedentary lifestyle, a duo that further jeopardizes your circulation and vein health, paving the way for venous issues.

Sun Exposure


Prolonged exposure to the sun can wreak havoc on your skin and the tiny blood vessels just beneath it, making spider veins more pronounced. The sun’s UVA and UVB rays can inflame these vessels, pulling them closer to the skin’s surface. For individuals with very fair skin, this effect is magnified, rendering veins even more visible and giving the skin a flushed, reddish appearance. Injury to the skin or the tissues around it can also trigger the formation of spider veins by harming the small blood vessels in the impacted region. 


Alcohol Consumption


Drinking alcohol can cause the veins to fill up with more blood than usual, highlighting the appearance of spider veins. Overindulging in alcohol causes your veins to temporarily dilate and, with time, may weaken the walls of these veins, compounding the issue.

Worried About Spider Veins? Here’s What You Should Do


There are many lifestyle changes you can make to either prevent or treat their appearance. Here are some quick, natural ways to keep them under control: 


  • Maintain a healthy weight
  • Protect your skin from the sun by wearing sunscreen, hats, and sunglasses
  • Avoid extreme heat from hot showers, saunas, or beaches
  • Get regular physical activity to get your blood circulating


Though spider veins are primarily a cosmetic issue, their presence can really knock your confidence. So if these natural fixes aren’t working, it might be time to get in touch with a vein specialist. They can help you figure out what’s going on with your veins and suggest the best way to deal with them.


Oftentimes vein specialists recommend sclerotherapy as the go-to treatment for spider veins. In this procedure, the doctor injects a sclerosant solution into the veins using a fine needle. This solution irritates the vein’s interior, causing it to collapse. Once closed, the body naturally eliminates the treated veins. 


While there are various treatment options available, sclerotherapy stands out for its efficiency and ease, offering minimal and mild side effects, and requiring no downtime. In fact, patients can typically return to their daily activities immediately after the procedure.

Start Your Journey to Overcoming Spider Veins!


Spider veins may not always indicate health concerns, but their presence is not something to overlook. With options spanning from natural remedies to professional treatments like sclerotherapy, regaining your confidence and keeping them under control is entirely possible. So if spider veins are a source of concern for you, seeking advice from a vein specialist can be a crucial step towards effectively addressing this issue. 

At Delaware Advanced Vein Center, our expert medical staff has years of experience treating people with venous conditions such as varicose veins, spider veins, and more. Our dedicated team specializes in providing attentive and personalized care, something larger clinics often overlook. We welcome you to our family of satisfied patients.

Contact us today to schedule a FREE virtual consultation and vein evaluation.