Varicose Veins
Swollen, twisted veins visible under the skin, usually in the legs. They're common and often harmless.
Quick Summary
Bulging blue or purple veins, aching or heavy legs, swollen ankles, itching and cramps, worse after standing.
Compression stockings, exercise and raising the legs; procedures to close or remove veins if needed.
Older age, being female, pregnancy, obesity, family history and jobs with long periods of standing.
Overview
Veins have valves that keep blood flowing towards the heart. When the valves weaken, blood pools and veins stretch and twist.
Varicose veins are mostly a cosmetic concern, but they can cause discomfort, skin changes and, rarely, ulcers or bleeding.
Symptoms
Bulging veins
Twisted veins on the legs.
Aching legs
Heavy, tired legs, worse at the end of the day.
Itching and skin changes
Itchy or darkened skin around the ankles.
Complications
A painful, hot, hard vein, bleeding or an ulcer needs medical care.
Causes & Risk Factors
Biological Causes
Weak or damaged valves in the leg veins allowing blood to flow backwards and pool.
Key Risk Factors
- Standing Jobs with long hours standing.
- Pregnancy and hormones Increase pressure on leg veins.
- Family history and age Vein walls weaken with age.
Management & Treatment
01. Self-care
Regular walking, raising the legs, keeping a healthy weight.
02. Compression stockings
Help symptoms.
03. Procedures
Laser or radiofrequency ablation, sclerotherapy or surgery for troublesome veins.
Frequently Asked Questions
Are varicose veins dangerous?
Do they come back after treatment?
Can exercise help?
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Varicose Veins(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Varicose veins(opens in a new tab) · NHS