Top 5 Causes for Spider Veins

spider veins causes

It’s hard to ignore spider veins, especially with their classic branches of thin red, blue, or purple lines spreading out over your face or legs. But even though they’re typically harmless, they can make you feel self-conscious about your appearance, which can impact your self-confidence, and also sometimes cause mild discomfort or a burning sensation.

You can’t always prevent spider veins from developing, but that doesn’t mean you’re stuck with them. At MedWeight, Lasers & Wellness Centers in Irvine, California, we can help you understand what’s causing your spider veins and help you eliminate them for good.

Common causes of spider veins

When you develop spider veins, tiny blood vessels close to the surface of your skin become enlarged or damaged, or they burst. These changes cause blood in the affected area to pool or branch out, creating the weblike pattern associated with spider veins.

Several factors can increase your chances of spider veins, including these five:

1. Being a woman

Women are at higher risk of spider veins, mainly due to hormone changes from puberty, pregnancy, and menopause. Taking birth control with hormones, using hormone replacement therapy during menopause, or going through pregnancy and childbirth also increase your chances of having spider veins.

2. Growing older

As you grow older, the valves in your veins that keep your blood flowing back toward your heart start to weaken. Over time, your muscles also lose strength. These changes make it harder for your veins to work properly and keep your blood flowing in the right direction.

3. Being overweight, obese, or sedentary

When you’re overweight or obese, you put extra pressure on your veins, which makes it harder for them to function correctly. And, if you sit or stand for long periods, your veins also have to work harder to fight gravity as blood flows back to your heart.

4. Having it in your family history

Even if you’re in the best of health, you can’t fight your genes, especially when it comes to spider veins. In fact, up to 90% of men and women plagued with these types of veins have a family history of the condition.

5. Experiencing sun damage

If you need another reason to avoid the sun, its ultraviolet light can cause spider veins. That’s because exposure to this light can cause skin damage and break blood vessels on delicate areas of your body, like your face.

Treating spider veins

No matter what caused your spider veins, you don’t have to learn to live with them. We offer several solutions, including sclerotherapy and laser treatments.


Sclerotherapy uses a medicated solution injected directly into your vein. This treatment causes the unwanted vein to collapse and shrink. The treated vein slowly fades from sight over 4-8 weeks as your body reabsorbs it.

Laser treatment

Our noninvasive laser treatments use specific wavelengths of energy to target spider vein pigments. When applied to these areas, the vein absorbs this energy, which causes it to break down. Then, like sclerotherapy, your body absorbs the treated vein, and it vanishes from view.

To learn more about spider veins and your treatment options, call us at 949-339-1624, or you can send our team a message here on our website to arrange your consultation.

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