Spider veins cannot always be prevented. However, people can take some steps that may lower the risk of developing spider veins. These include:

• Exercise regularly. This will increase the level of circulation through the veins. All forms are helpful even simple exercise like walking.
  
  
• Avoid long periods of sitting or standing. Moving around at least every 30 minutes encourages blood flow.
  
  
• Do not cross legs while sitting. This restricts the flow of blood through the veins.
  
  
• Avoid wearing high-healed shoes. Low-heeled shoes work the calf muscles instead of the veins.
  
  
• Eat a diet high in fiber. Constipation can contribute to spider veins. Diets high in fiber include fresh fruits and vegetables, and whole grains such as bran.
  
  
• Avoid tight clothing. Clothing that is very tight and constricts the waist, groin or legs can impair blood flow through the veins.
  
  
• Elevate the legs. Elevating legs above the level of the heart can improve vein circulation. This can be done by lying down and resting the legs on two to four pillows. Legs should be elevated two or more times a day for 30 minutes.
  
  
• Maintain a healthy weight. This takes pressure off the veins.
  
  
• Wear support hose. These will steadily squeeze the legs, helping leg muscles and veins to move blood more efficiently.
  
  
• Wear sunscreen. This helps prevent spider veins in the face.