Conditions › Spider veins

Spider Vein Diagnosis and Removal in London

Spider veins, also known as telangiectasias, are small, dilated blood vessels that appear close to the surface of the skin. They often look like fine red, blue, or purple lines forming a web-like pattern, most commonly on the legs or face. At Skinhorizon Clinic London, we offer expert assessment and treatments to improve appearance and prevent progression.

Call Us Book Consultation

Spider Veins at a Glance

What are spider veins?	Small, dilated blood vessels that appear as red, blue, or purple lines under the skin, often in a branching or web-like pattern.
What causes spider veins?	Weak or damaged vein valves, genetics, pregnancy, hormonal changes, prolonged standing, ageing, and sun exposure.
Who gets spider veins?	More common in women, older adults, people with a family history of varicose/spider veins, or those with prolonged standing occupations.
What are the symptoms of spider veins?	Often cosmetic only, but may cause mild aching, heaviness, burning, or itching in the affected area, especially after standing.
How are spider veins diagnosed?	Usually diagnosed by clinical examination. Ultrasound imaging may be used if underlying venous insufficiency is suspected.
Are spider veins dangerous?	Generally harmless, but may progress or indicate early venous disease. They can impact self-confidence and quality of life.
How are spider veins treated?	Common treatments include sclerotherapy (injecting a solution to collapse the veins) and laser therapy to fade visible vessels.
Can spider veins be prevented?	Prevention includes maintaining a healthy weight, exercising, elevating legs, wearing compression stockings, and limiting sun exposure.

Understanding spider veins

Spider veins are a common vascular concern affecting millions worldwide. They occur when the tiny blood vessels near the skin surface become enlarged, twisted, and visible. Although they are usually not a sign of serious medical illness, they can be cosmetically distressing and may occasionally signal underlying venous insufficiency.

Causes and risk factors

Spider veins develop when valves inside the veins stop working properly, allowing blood to pool and vessels to enlarge. Contributing factors include:

Genetics: A strong family history of spider or varicose veins increases risk.
Age: Ageing weakens vein walls and valves.
Hormonal changes: Pregnancy, menopause, or contraceptive use may contribute.
Lifestyle: Prolonged standing, lack of exercise, obesity, or sun damage can worsen spider veins.
Gender: Women are more frequently affected due to hormonal influences.

Symptoms of Spider Vein

While many people notice spider veins only as a cosmetic concern, some may experience discomfort, including:

Aching or heaviness in the legs after long periods of standing
Burning, throbbing, or itching around the veins
Worsening of symptoms during menstruation or pregnancy
Cosmetic distress affecting self-confidence

Diagnosis of Spider Vein

Diagnosis is typically clinical, based on appearance. In patients with more extensive symptoms or varicose veins, a Doppler ultrasound may be used to check for deeper venous reflux or insufficiency.

Treatment options for Spider Vein

Sclerotherapy

This is the gold-standard treatment for spider veins. A solution is injected directly into the vein, causing it to collapse and fade over time. Multiple sessions are often required.

Laser therapy

Non-invasive laser treatment uses light energy to target and heat the veins, making them gradually fade. It is often preferred for small facial spider veins.

Lifestyle and supportive measures

Compression stockings, leg elevation, exercise, and weight management help improve circulation and prevent progression of vein problems.

Prevention strategies

Exercise regularly to improve blood circulation.
Avoid standing or sitting for long periods without moving.
Wear compression stockings if prone to vein problems.
Protect skin from excessive sun exposure, especially on the face.
Maintain a healthy weight to reduce pressure on leg veins.

Your first visit — what to expect

History: Assessment of family history, symptoms, and lifestyle factors.
Examination: Inspection of the veins and surrounding skin.
Investigations: Ultrasound scan if underlying venous reflux is suspected.
Treatment plan: Discussing best treatment options (sclerotherapy, laser, or both).
Aftercare: Advice on lifestyle changes, compression, and follow-up sessions if required.

Reviewed by: Dr Mohammad Ghazavi, Consultant Dermatologist
Skinhorizon Clinic, 4 Clarendon Terrace, Maida Vale, London W9 1BZ
Last reviewed: 22 August 2025

Want to reduce the appearance of spider veins? Book a consultation at Skinhorizon London for safe and effective treatment options.

Call Us Book Consultation

← Back to Skin Conditions

Spider Veins FAQs

Are spider veins the same as varicose veins?

No. Spider veins are small surface vessels, while varicose veins are larger, bulging veins caused by venous reflux. They may occur together but are treated differently.

Is treatment for spider veins permanent?

Treated veins usually do not return, but new spider veins may develop over time. Maintenance treatments may be needed.

Does sclerotherapy hurt?

Sclerotherapy involves small needle injections and may cause mild stinging or burning, but is generally well tolerated.

Can I prevent spider veins?

They cannot always be prevented, but exercise, maintaining a healthy weight, avoiding prolonged standing, and wearing compression stockings reduce risk.

Are spider veins dangerous?

No, they are usually harmless. However, they may signal underlying vein disease, which should be assessed by a specialist if symptoms are present.

Disclaimer: The information above is provided for general education only and should not be taken as medical advice for any individual case. A consultation with a qualified healthcare professional is required to assess suitability, risks, and expected outcomes.

Sources: