A member asked:

How does sun exposure lead to spider veins? i heard that spider veins can be caused by sun exposure. how does this work?

4 doctors weighed in across 2 answers
Dr. Ted King answered

Sun damage: In a very simplified answer, sun exposure can cause rosacea as a result of damage the skin. One form of rosacea involves spider veins or telangiectasias. This is generaly only seen on the face however. Spider veins as a result of sun exposure aren't really seen anywhere else on the body.

Answered 3/26/2013

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Dr. Phillip Hertzman answered

Specializes in Phlebology

Damage to collagen: Uv light can damage collagen in the walls of the small superficial vessels.

Answered 7/8/2013

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