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Prof. Ahmed Samir HosnyVascular & Endovascular Surgery
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Spider Veins: Causes and Safe Cosmetic Treatment

Safe treatment for the fine veins that appear under the skin

By Prof. Ahmed Samir HosnyMedically reviewed
Updated: 6 min read
Spider Veins: Causes and Safe Cosmetic Treatment
On this page
  1. What are spider veins?
  2. Causes
  3. How they differ from varicose veins
  4. Treatment
  5. Frequently asked questions
Key takeaway
Spider veins are fine red or blue veins visible under the skin surface, usually on the legs and face. Although mostly a cosmetic issue, they are sometimes associated with venous insufficiency that deserves assessment.

What are spider veins?

They are small dilated blood vessels close to the skin surface, forming thin branching lines like a spider’s web. They differ from varicose veins in being smaller and less raised, and they usually cause no symptoms.

Causes

  • Heredity.
  • Prolonged standing.
  • Hormonal changes and pregnancy.
  • Ageing.
  • Sun exposure (on the face).

How they differ from varicose veins

Spider veins are superficial, thin and mostly cosmetic, while varicose veins are larger, raised and may cause symptoms and indicate deeper venous insufficiency. Both may coexist, so an examination defines the condition precisely.

Treatment

Sclerotherapy injections and surface laser are among the most effective and safe treatments, done in simple sessions without surgery. Your doctor chooses the best method according to the size and location of the veins.

Frequently asked questions

Is treatment painful?

These are simple procedures with minimal pain and almost no downtime.

Do they come back after treatment?

New veins may appear, but treatment clearly improves appearance.

Are they dangerous?

Usually cosmetic, but an examination excludes underlying venous insufficiency.

How many sessions will I need?

It depends on the number of veins, and your doctor will advise after examination.

Spider veins are usually cosmetic, but a specialist assessment excludes hidden venous insufficiency.
This content is for general education only and is not a substitute for a consultation with a specialist who can assess your condition.
Prof. Ahmed Samir Hosny
About the author

Prof. Ahmed Samir Hosny

Professor of Vascular & Endovascular Surgery — Kasr Al Ainy, Cairo University

Professor of Vascular & Endovascular Surgery at Kasr Al Ainy, Cairo University. Fellowship in peripheral endovascular interventions (Kiel, Germany) and aortic surgery fellowship (Cologne, Germany); Member of the Royal College of Surgeons of Edinburgh.

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