What causes spider veins?

What usually causes spider veins?  Can crossing your legs give you spider veins?

4 answers to “What causes spider veins?”

A: Exclude venous problems

Hisham Seify, MD, PhD

Spider veins are small superficial veins that are detected in different body areas. Our patients seek different line of treatments for these veins from laser to light therapy etc.. When we discover these veins on the lower extremity, more clinical exam is needed to exclude deep venous problems e.g incompetent... more

A: small vessels

Gregory Turowski, MD, PhD

Spider veins are small superficial blood vessels that appear purple, red or blue just underneath the skin. They commonly appear on the legs, but occasionally also on the face. These dilated blood vessels may look like a spider web or tree with the branches. They can occur in a small area, or cover a large area... more

A: Spider Veins - Purely Cosmetic ?

Hratch Karamanoukian, MD

Varicose veins are enlarged veins that bulge through the skin and may appear as blue or purple knot-like cords. Varicose veins can occur anywhere in the body, but are more commonly found in the lower extremities. Spider veins, also known as telangiectasias are smaller than varicose veins and often... more

A: There are several causes for spider veins

Ronald Shelton, MD

Any build up of pressure can induce spider veins. Blockage from above by bad valves in the deep system of veins Crossing legs Standing immobile for long periods Impact, including, running ...can all produce spider veins. Other factors are inheritance and hormones (including the elevation of estrogens in... more

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