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What Are The Causes Of Spider Veins?

Spider Veins: the Causes Explained

Spider veins are swollen blood vessels that are visible through the skin. They can appear as blue, purple or red and are much smaller than varicose veins, which are predominantly found on the legs and feet. They commonly occur on legs, but are frequently found on the chest or face. Our Cincinnati treatment facility can help diagnose and treat your spider veins.

Women are particularly susceptible to developing spider veins

The American Academy of Phlebology estimates that up to 50 percent of women are affected by spider veins and suggests that the main factor in developing these veins is heredity. While there is not much that can be done about a genetic predisposition, there are many other factors that influence if a woman will develop spider veins.

Causes of Spider Veins

Hormonal factors

Factors include hormonal changes during pregnancy, puberty and menopause. Birth control pills and post-menopausal hormone replacement can also play a role.


Increased pressure can cause them to occur. A job that requires standing for long periods can cause added pressure on the feet and legs. Additionally, being overweight can increase pressure on veins. Pregnancy and constipation are conditions that cause both pressure and straining, which can lead to swollen blood vessels in the abdomen.

Blood clots

If you or your family has a history of blood clots, it can increase your likelihood of developing this vein condition.

How can I prevent spider veins?

Since heredity is the number one factor in developing spider veins, there may not be a lot you can do if you are naturally predisposed to this condition. There are, however, steps you can take to reduce pressure on your veins. Keeping your weight in a healthy range will reduce pressure on your feet in legs. Regular exercise will both strengthen your veins and help you maintain a healthy weight. If you have a job where you are required to be on your feet all day, remember to shift your weight from leg to leg, and try elevating your feet when you are able to relax. Reducing the amount of pressure in your feet and legs will help keep your veins healthy. Consult a Cincinnati vein doctor for personalized guidance on how to reduce your risk factors for developing them. If you have already developed spider veins, contact our Cincinnati center, contact us, to set up a visit or to discuss your treatment options.

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