Leg Vein Treatment, Sclerotherapy | Harley Street Clinic

Leg Vein Sclerotherapy Treatments

Sclerotherapy is a non-surgical thread vein removal procedure that is used to treat unsightly varicose, thread veins and haemorrhoids. The medical term “sclerosis” refers to “a hardening of body parts”, which may include tissues, organs or vessels due to inflammation and fibrosis.

Thread & Varicose Veins

Thread veins are also termed as dilated veins or spider bursts. These veins become more prominent in the face and leg area and occur due to the hormonal effect of menarche, or during pregnancy or menopause. Other causes may include smoking, alcohol consumption, heavy muscular activity and even genetics.

Varicose veins are those which become enlarged and distorted and usually appear on legs. These are more common in women. Its causes may include are linked with, heredity, pregnancy, obesity, menopause, ageing, prolonged standing, leg injury and abdominal straining.

Thread Vein Removal Treatment

Sclerotherapy is among the most common remedies for vein issues. The thread vein removal procedures uses local anaesthetic and a sclerosing solution which is injected at multiple veins sites through fine needles, causing irritation in the inner lining of the vein known as endothelium that are aimed to gradually yet effectively make thread/varicose veins fade over few months.

Veins are compressed using cotton pads. After that, a compression stocking is applied in order to press the treated veins, so that they do not allow blood to pass through them.

During the thread vein removal procedure, one leg is treated per session, while each leg multiple may requires multiple sessions.

Results And Recovery Time Duration

The treated veins should fade gradually in around 6 – 12 weeks. Sclerotherapy does not require any specific recovery time.


Contact the clinic if you feel the inflammation has become more after treatment. Bruising is common and may last for 1-2 weeks and while the areas of pigmentation along the treated vein may persist for 6 – 12 weeks, while it takes longer with large varicose veins to recover.

Other complications include:

  • Blood clots in other leg veins
  • Headaches
  • Lower back pain
  • Allergic Reaction
  • Hyperpigmentation
  • Skin Necrosis
  • Thrombophlebitis
  • Venous Thromboembolism
  • Visual Disturbances

Frequently Ask Questions (FAQs)

Leg vein sclerotherapy is available on the NHS for people who have medium to small size varicose veins.


  • Start From £400 per leg

We use cookies to give you the most relevant experience.

Read More about Cookie Policy

Hide This
Learn more about Skin Education Guide


Download Icon
Thank you!
For Contacting US. Please check your inbox, we have sent you the Download link
Note: if you did not get the email, please check spam/junk folder
Book A Consultation

Don’t Just Take Our Word For It