POSTED BY Dr. Sumit Kapadia | Jun 22, 2024

Understand Venous Ulcer

Imagine enjoying your daily routine, perhaps a hobby like gardening or taking leisurely walks. One day, you notice a small sore on your lower leg. Initially, you think it’s just a minor scrape or bruise. 

However, days turn into weeks, and the sore doesn’t heal. Instead, it becomes increasingly painful and starts to interfere with your daily activities. This scenario is a reality for many individuals who unknowingly develop venous ulcers. These persistent, painful sores can significantly impact the quality of life if left untreated. In fact, more than 80% of ulcers in leg or feet are likely to have a vascular cause and hence should undergo evaluation by a vascular specialist.

In this blog, I, Dr. Sumit Kapadia, a renowned expert in vascular health, will explain what are venous ulcers, their symptoms, and the most effective treatment options available. Whether you’re experiencing similar issues or simply looking for information, this guide will provide the insights you need to understand and manage venous ulcers effectively.

What is a Venous Ulcer?

A venous ulcer, also known as a varicose vein ulcer or venous stasis ulcer, is a type of chronic wound that develops on the leg due to poor blood circulation. These ulcers are typically found on the lower legs, particularly around the ankles. They are the most common type of leg ulcers, accounting for up to 70% of all chronic leg wounds.

What Causes Venous Ulcers?

Venous ulcers are primarily caused by chronic venous insufficiency (CVI). This condition occurs when the veins in the legs fail to efficiently return blood to the heart, leading to increased pressure within the veins. Over time, this elevated pressure can damage the skin and underlying tissues, eventually resulting in an ulcer. Let me break down the contributing factors to CVI in more detail:

Damaged Vein Valves

Our veins have one-way valves that prevent blood from flowing backward. When these valves become damaged or weakened, blood can pool in the veins, increasing pressure and causing them to bulge. This valve malfunction is a key factor in the development of CVI and subsequent venous ulcers.

Deep Vein Thrombosis (DVT)

DVT is a condition where blood clots form in the deep veins, usually in the legs. These clots can cause long-term damage to the vein valves, leading to CVI. Even after the clot has resolved, the lingering valve damage can hinder blood flow and elevate venous pressure, paving the way for venous ulcers.

Varicose Veins

Varicose veins are swollen, twisted veins visible just under the skin. They occur when vein valves fail to function correctly, allowing blood to pool. Varicose veins are not only a cosmetic concern but also a major contributor to CVI. The increased pressure from these veins can damage skin tissues over time, leading to the formation of ulcers.


Carrying excess body weight can put additional pressure on the veins in your legs. This pressure can impair the ability of the veins to return blood to the heart efficiently, increasing the risk of CVI. The more weight the veins have to support, the greater the likelihood of valve failure and subsequent venous ulcers.


A sedentary lifestyle can significantly contribute to the development of CVI. When we sit or stand for long periods without moving, blood tends to pool in the lower legs due to gravity. Regular movement, such as walking, helps promote healthy blood circulation and reduces the risk of blood pooling. Inactivity, on the other hand, can exacerbate venous pressure and increase the likelihood of developing ulcers.

Signs and Symptoms of Venous Ulcers

Recognizing the signs and symptoms of venous ulcers early can help in seeking timely treatment. Common symptoms include:

  • Painful sores on the lower leg, typically near the ankle
  • Swelling in the affected leg
  • Skin discoloration or darkening around the ulcer
  • Itching or burning sensation
  • Hardened skin around the ulcer
  • Foul-smelling discharge from the sore

What Types of Venous Disease Cause Venous Ulcers?

Several venous diseases can lead to the development of venous ulcers, including:

  • Chronic Venous Insufficiency (CVI): The primary cause of venous ulcers, CVI results from malfunctioning vein valves.
  • Varicose Veins: Swollen, twisted veins that increase pressure on the skin and tissues.
  • Deep Vein Thrombosis (DVT): Blood clots in the deep veins that can lead to vein damage and CVI.
  • Post-thrombotic Syndrome: A condition that develops after DVT, leading to long-term symptoms such as pain, swelling, and skin changes.

Risk Factors of Venous Ulcer

Certain factors increase the risk of developing venous ulcers, including:

  • Age (more common in people over 50)
  • Family history of venous disease
  • Obesity
  • Inactivity or prolonged standing/sitting
  • Previous leg injuries or surgeries
  • Smoking

What Do Venous Ulcers Look and Feel Like?

Venous ulcers often have a distinct appearance and sensation. They typically present as shallow, open sores with irregular borders. The surrounding skin may be discolored, swollen, and hardened. These ulcers are usually painful, with patients experiencing a constant ache or burning sensation.

How Are Venous Ulcers Diagnosed?

Diagnosing venous ulcers involves a thorough examination. The process typically includes:

  • Physical Examination: Assessing the ulcer’s appearance and surrounding skin.
  • Medical History: Reviewing the patient’s health history, including previous vein issues.
  • Duplex Ultrasound or Color Doppler: A non-invasive test to evaluate blood flow in the veins and identify any blockages or valve problems.
  • Ankle-Brachial Index (ABI): A test to rule out arterial disease, which can complicate venous ulcer treatment.
  • CT Venography: This is useful to detect narrowing or blockages of iliac veins or IVC ( in the abdomen) which can lead to impaired venous flow and often be a cause of nonhealing venous ulcers
  • IVUS (Intravascular Ultrasound): A minimally invasive method of introducing thin ultrasound wire inside the vein, IVUS is very helpful to detect vein narrowing, or fibrotic bands in inside the veins. IVUS is also useful to guide accurate placement of stents within these blood vessels.

How Can I Prevent Venous Ulcers?

Preventing venous ulcers is crucial for maintaining good leg health and overall well-being. By managing risk factors and promoting healthy blood circulation, you can significantly reduce the likelihood of developing these painful ulcers. Here are some comprehensive strategies for prevention:

Exercise Regularly

Regular physical activity is one of the most effective ways to improve blood circulation and reduce the risk of venous ulcers. Here’s how exercise can help:

Improves Blood Flow: Activities such as walking, swimming, and cycling help pump blood back to the heart.

Strengthens Muscles: Stronger leg muscles support veins in pushing blood upwards.

Reduces Swelling: Exercise can help prevent fluid buildup in the legs, reducing swelling and discomfort.

Aim for at least 30 minutes of moderate exercise most days of the week. Even simple activities like taking the stairs, stretching, or doing leg lifts can make a significant difference.

Maintain a Healthy Weight

Keeping your weight within a healthy range can alleviate pressure on your leg veins, reducing the risk of vein damage and venous ulcers. Here’s why weight management is important:

Less Strain on Veins: Excess weight increases pressure on veins, which can lead to valve failure.

Improved Circulation: A healthy weight helps maintain better blood flow and reduces the risk of blood pooling.

Focus on a balanced diet rich in fruits, vegetables, lean proteins, and whole grains. Avoid excessive salt intake, which can lead to water retention and swelling.

Elevate Your Legs

Elevating your legs can help reduce swelling and improve circulation. Here’s how to do it effectively:

Prop Up Your Legs: When sitting or lying down, prop your legs up on pillows so they are above the level of your heart.

Take Breaks: If you have a job that requires prolonged sitting or standing, take breaks to elevate your legs periodically.

Aim to elevate your legs for about 15-20 minutes several times a day, especially after long periods of standing or sitting.

Wear Compression Stockings

Compression stockings provide external pressure to support veins and prevent blood from pooling. Here’s how they help:

Reduce Swelling: Compression stockings help reduce leg swelling by promoting blood flow.

Prevent Blood Clots: They lower the risk of blood clots, which can lead to venous insufficiency.

Your doctor can prescribe the appropriate type and compression level based on your needs. Make sure to wear them as directed, especially during long periods of inactivity or travel.

Avoid Prolonged Standing or Sitting

Staying in one position for too long can contribute to venous insufficiency. Here’s what you can do:

Move Frequently: If you sit or stand for long periods, make it a point to move around every hour.

Stretch Regularly: Perform simple stretches to keep blood flowing. Ankle pumps, calf raises, and knee bends are effective.

Use a Foot Rest: If sitting, use a footrest to keep your legs elevated slightly.

Incorporate small movements into your daily routine, such as taking short walks or standing up while talking on the phone.

Practice Good Skin Care

Taking care of your skin can prevent infections and ulcers. Here’s how to maintain healthy skin:

Keep Skin Clean and Moisturized: Clean your legs daily with mild soap and water. Apply a moisturizer to prevent dryness and cracking.

Avoid Injuries: Protect your legs from cuts, scratches, and bruises by wearing appropriate clothing and footwear.

Inspect Your Skin: Regularly check your legs for any signs of skin changes, swelling, or sores.

If you notice any wounds or skin changes, address them promptly to prevent complications.

Additional Tips

  • Dietary Considerations: Incorporate foods rich in antioxidants, like berries and leafy greens, which can improve blood vessel health.
  • Hydration: Drink plenty of water to stay hydrated and support overall circulation.
  • Quit Smoking: Smoking damages blood vessels and impairs circulation. Quitting can significantly improve your vascular health.

When to Call the Doctor?

It’s essential to seek medical attention if you notice signs of a venous ulcer, especially if:

  • The ulcer does not improve with home care.
  • There is increasing pain, redness, or swelling.
  • You develop a fever.
  • There is a foul-smelling discharge from the ulcer.

Early intervention can prevent complications and promote faster healing.


Venous ulcers are a significant health issue that can affect quality of life if not properly managed. Understanding the causes, symptoms, and treatment options is crucial for effective management and prevention. I emphasize the importance of early diagnosis and treatment to improve outcomes. 

By staying informed and proactive, individuals can take steps to prevent venous ulcers and seek appropriate care when needed. Remember, timely medical attention and consistent self-care are key to managing venous ulcers effectively.


The main cause of venous ulcers is chronic venous insufficiency (CVI), where the veins in the legs fail to return blood efficiently to the heart, leading to increased pressure and damage to the skin and tissues.

To heal a leg ulcer quickly, follow these steps: keep the wound clean and dressed, elevate the affected leg, wear compression stockings to improve blood flow, follow a healthy diet, and seek medical treatment from a healthcare provider for specialized care and possible medication. Often the underlying cause of vein reflux has to be treated to make the ulcer heal faster!

The first signs of a leg ulcer include swelling, redness, and itching around the affected area, followed by the appearance of an open sore or wound that does not heal.

The most common site of a venous ulcer is near the ankle, usually on the inner side of the leg.

A Stage 2 venous ulcer is characterized by a partial-thickness skin loss involving the epidermis and/or dermis. The ulcer appears as an open, shallow wound with a red or pink wound bed, and there may be some blistering.

  • Causes of Venous Ulcers,
  • Prevent Venous Ulcers,
  • Risk Factors of Venous Ulcer,
  • Signs and Symptoms of Venous Ulcers,
  • Types of Venous Disease,
  • What is a Venous Ulcer,