CIIVES Central India Institute of Vascular and Endovascular Sciences

What Is Varicose Veins?

What Is Varicose Veins?

Varicose veins are enlarged, twisted superficial veins that develop due to chronic venous insufficiency, a condition in which leg veins cannot return blood efficiently to the heart.
Varicose veins are a sign of an underlying circulation problem, just like fever or chest pain is a sign of an underlying health issue.

Varicose Veins Definition

By definition, a vein is varicosed if it is dilated, tortuous and has a diameter of 3mm or more.

Varicose Veins Meaning in Simple Terms

In simple terms, varicose veins happen when veins become stretched and overfilled with blood, making them bulge and appear bluish or purple under the skin.
Varicose veins are a sign of chronic venous disease. If left untreated, vein function gradually worsens and may lead to pain, swelling, skin changes, and ulcers.

Check out the website to know about varicose veins in Hindi.

How Do You Get Varicose Veins?

Healthy veins contain one-way valves that keep blood moving against gravity toward the heart. Calf muscles in the leg act as a pump to assist this movement.

Varicose veins develop when this system fails:

  • Valve incompetence: valves become loose and inefficient
  • Blood pooling: blood flows backwards and collects
  • Venous hypertension: pressure builds inside the veins

Primary Causes of Varicose Veins

  • Weak or damaged vein valves
  • Genetics (family history)
  • Aging

Top 5 Risk Factors of Varicose Veins

  • Prolonged standing/sitting
  • Family history
  • Pregnancy or hormonal changes
  • Obesity
  • Sedentary lifestyle
Risk factors causing varicose veins in legs

Read our complete guide on varicose veins causes and risk factors.

Diseases That Cause Varicose Veins

Several underlying diseases and medical conditions can directly or indirectly causef varicose veins by 3 possible mechanisms:

  • Damaging vein valves
  • Obstructing blood flow
  • Increasing pressure within the veins
Some of these diseases are:

Primary Venous Conditions

  • Acute deep vein thrombosis (DVT): Sudden blood clots in deep veins can damage valves and obstruct flow, leading to varicose veins.
  • Post-thrombotic syndrome (PTS): Long-term vein damage that develops after DVT causes chronic swelling and venous hypertension.
  • Superficial thrombophlebitis: Inflammation and clotting in superficial veins that may coexist with varicose veins.

Pelvic & Structural Disorders

  • Pelvic congestion syndrome: Dilated pelvic veins that can contribute to varicose veins in the legs, especially in women.
  • Pelvic tumours or cysts: Can compress veins and impair function.
  • Congenital vein abnormalities: Rare conditions such as Klippel–Trénaunay syndrome, where veins are malformed from birth

Systemic & Metabolic Conditions

  • Obesity: Increases pressure on leg veins and weakens valve function.
  • Hormonal imbalances: High estrogen states (pregnancy, menopause, oral contraceptives) relax vein walls.
  • Diabetes & Hypertension: Long-term vessel wall damage worsens circulation.
  • Chronic constipation: Repeated straining raises pressure in abdominal and leg veins.
These conditions increase the likelihood of venous insufficiency and varicose vein formation.

Are Varicose Veins Related to Other Diseases?

Several underlying diseases and medical conditions directly or indirectly cause varicose veins by damaging vein valves, obstructing blood flow, or increasing pressure within the veins.

Are Varicose Veins Cardiovascular Disease? 

No. Varicose veins affect the veins, while cardiovascular disease mainly involves the heart and its arteries.

Varicose veins and cardiovascular health do share some common risk factors, such as obesity, physical inactivity, smoking, and ageing, etc. However, varicose veins themselves do not cause heart disease.
Can Peripheral Artery Disease (Pad) Cause Varicose Veins? 
No, PAD does not cause varicose veins, but poor overall circulation may worsen leg symptoms.
Does Liver Disease Cause Varicose Veins?
Liver disease can indirectly cause varicose veins and increases the risk of venous ulcers. Liver issues like cirrhosis and portal hypertension increase pressure in the abdominal veins that reduces blood return from the lower body, leading to leg swelling (edema), spider veins, and risk of varicose veins.
Are Varicose Veins Autoimmune Disease?

No. Varicose veins are not caused by autoimmune disorders. They develop due to faulty valve function and impaired blood flow.

If you’re wondering, “Do varicose veins increase your risk of DVT?” read our detailed article on how varicose veins may be linked to deep vein thrombosis.

Varicose Veins Symptoms

Varicose vein symptoms often start mild but progressively worsen, leading to skin damage and non-healing venous ulcers.

Early Stage Symptoms of Varicose Veins

  • Visible blue, purple, or bulging veins
  • Aching or heavy feeling in the legs
  • Mild leg pain after prolonged standing or sitting
  • Leg fatigue or tiredness
  • Burning, throbbing, or tingling sensation

Chronic Venous Disease

  • Thickened, hardened, or inflamed skin
  • Eczema-like skin changes
  • Lipodermatosclerosis (tight, firm skin around ankle)
  • Non-healing wounds or venous ulcers near the ankle
  • Bleeding from fragile surface veins
what is varicose veins

When to See a Vein Specialist

Consult a vascular surgeon if you notice the following red flags.

Red Flag Symptoms

  • Persistent ache or heaviness
  • Bleeding from a varicose vein
  • Ulcers near the ankle that do not heal >4-6weeks
  • Redness, warmth, or tenderness along a vein

Should You Worry About Varicose Veins

Varicose veins are harmless in the initial stages, but the disease can progress to non-healing ulcers, which can cause life-threatening cellulitis if left untreated. 

Varicose Veins Treatment

The treatment options for varicose veins are minimally invasive, performed through a single puncture without any incisions or scars, and usually completed on a day-care basis.

Most popular varicose veins treatments include:

  • Endovenous Laser Ablation (EVLA): Uses laser energy to seal the diseased vein from inside.
  • VenaSeal (Glue Ablation): Medical adhesive used to close the vein without heat or tumescent anaesthesia.
  • Sclerotherapy: Injection of a solution or foam to collapse smaller varicose or spider veins.
  • Phlebectomy: Removal of bulging surface veins through tiny skin punctures.

A duplex ultrasound examination is done to assess the severity and the best treatment plan.

Home Remedies for Varicose Veins

Home remedies can help reduce symptoms such as heaviness, swelling, and discomfort in early-stage varicose veins. However, they do not cure varicose veins or repair faulty valves.

The 5 best home remedies for varicose veins are:

  • Regular walking & calf exercises: Improves blood flow and activates the calf muscle pump
  • Leg elevation: Elevate legs above heart level for 15–20 minutes, 2–3 times daily
  • Compression stockings: Provide graduated pressure to support vein function
  • Weight management: Reduces pressure on leg veins
  • Avoid prolonged sitting or standing: Take movement breaks every 30–60 minutes

Note: Creams, oils, massage devices, patches, herbal supplements, and home cures do not repair the damaged valves and hence cannot reverse or permanently remove varicose veins.

FAQs

What is the best treatment for varicose veins?

The best treatment for varicose veins is to close or remove the faulty veins using minimally invasive procedures such as laser ablation, VenaSeal glue ablation or sclerotherapy. These endovascular treatments address the root cause and provide long-term relief. However, the choice of procedure depends on disease severity and symptoms. 

Compression stockings help manage varicose vein symptoms and slow the progression. They do not cure varicose veins or repair faulty valves.

Compression stockings apply graduated pressure to the legs to improve blood flow and reduce swelling, aching, and heaviness. They are most useful in the early stages and after varicose veins treatment to support healing and maintain results.

Varicose veins can be prevented naturally by improving circulation and reducing pressure in the leg veins.

Exercises like heel raises or calf push-ups help strengthen the vein valves. Additionally, these habits help prevent varicose veins naturally:

  • Regular walking or calf-strengthening exercises
  • Maintaining a healthy weight
  • Avoiding prolonged sitting or standing
  • Elevating the legs when resting
  • Wearing loose, comfortable clothing

Yes, existing varicose veins can be permanently treated by closing or removing faulty veins using minimally invasive procedures such as laser ablation, VenaSeal glue ablation, or sclerotherapy. However, treatment does not prevent new veins from becoming varicosed in the future.

Lifestyle changes and compression stockings help control symptoms and slow disease progression, but do not provide permanent results. Outcomes also vary depending on severity, genetic factors, weight control, maintenance after treatment, etc. 

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