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Varicose veins in the legs: warning signs & effective treatment

8 min read · 2026-06-18

Varicose veins in the legs: warning signs & effective treatment

What are varicose veins in the legs

Varicose veins in the legs (or venous insufficiency) is a condition in which the veins in the legs (and sometimes the calves) become enlarged and twisted, preventing blood from returning to the heart efficiently. Normally, one-way valves in the veins help blood flow upward. But when these valves weaken or fail, blood pools in the lower limbs, causing the veins to become enlarged and visible under the skin - bluish, sometimes quite pronounced, cord-like lines. This is a fairly common condition, especially in women (3 times more common than in men) and older adults.

Warning signs of varicose veins

  • A feeling of heaviness, fatigue, or aching in the legs, especially at the end of the day or after standing for long periods
  • Bluish, twisted, or coiled veins clearly visible on the skin surface
  • A pins-and-needles, crawling, or mild tingling sensation in the calves (paresthesia)
  • Swelling and bruising around the ankle or foot
  • Darkened or discolored skin around the ankle (lipodermatosclerosis)
  • Itchy or dry skin, sometimes with eczema around the affected veins
  • Small or slow-healing sores around the ankle (in severe stages)

Causes and risk factors

Varicose veins are linked to many factors. Some are natural or unchangeable: genetics (if parents or relatives have the condition, risk is higher), sex (women are affected more due to hormones), and age (the older you are, the higher the risk). Others can be controlled: obesity or being overweight, a sedentary lifestyle, jobs that require standing or sitting for long periods without movement, and pregnancy (hormonal changes and pressure from the baby increase pressure on the veins in the legs). Certain conditions such as blood clotting disorders or deep vein damage also increase the risk.

Severity classification

Medicine uses the CEAP classification scale to categorize the severity of varicose veins, from C0 (no clinical signs) to C6 (active ulcer). In the early stages (C1-C2), patients only see spider veins or visible veins under the skin but have little or no symptoms. In moderate stages (C3-C4), swelling, skin discoloration, or skin conditions begin to appear. Severe stages (C5-C6) involve ulcers, a sign requiring immediate medical intervention.

Treatment methods

Treatment for varicose veins depends on severity and the patient's condition. In early stages or for prevention, conservative treatment includes: lifestyle changes (avoiding standing or sitting too long, elevating the legs, light exercise such as walking), wearing compression stockings to improve blood circulation, and using therapeutic creams. If symptoms do not improve or the condition progresses, the doctor may recommend: sclerotherapy - injecting chemicals into the vein to scar and close it, or thermal ablation using radiofrequency or laser (EVLA) to seal the vein. In the most severe cases, surgical removal or ligation/stripping may be considered.

Diagnosis

For an accurate diagnosis, the doctor will perform a clinical examination and Doppler ultrasound. The clinical exam helps assess the severity of the condition and skin signs. Doppler ultrasound (a non-invasive, painless technique) shows the direction of blood flow in the vein, determines whether the valves have failed, and identifies where blood is pooling. This helps the doctor create the most accurate treatment plan.

Preventing varicose veins

  • Maintain a healthy weight, avoid obesity
  • Exercise regularly, including walking, swimming, or yoga - this helps strengthen calf muscle endurance
  • Elevate the legs above heart level when sitting or lying down to help blood circulate
  • Avoid sitting or standing too long; change position or walk every hour
  • Drink enough water to avoid dehydration, helping blood flow smoothly
  • Limit caffeine and alcohol if possible
  • If you have a family history, consult a doctor early for preventive intervention

The information in this article is for reference only and does not replace professional medical consultation, diagnosis, or treatment. Please consult a specialist before making any decision.