Do Varicose Veins Bleed? What to Do in an Emergency

Varicose veins are enlarged, twisted veins, most often found in the legs. They develop due to faulty valves that allow blood to pool, causing the vein to stretch and bulge. While bleeding is not a common event, it can be serious because of the high pressure within the vein. This type of bleeding requires immediate attention.

Understanding the Risk of Bleeding

The primary cause of varicose vein bleeding is chronic venous hypertension, which is the persistently high pressure inside the veins of the leg. When one-way valves fail, blood pools, leading to a pressure build-up that stretches the vein walls. This sustained elevation in pressure causes the overlying skin to become fragile over time.

This constant high pressure leads to skin atrophy, where the skin and underlying tissues near the vein become thin, dry, and delicate. Reduced circulation and chronic inflammation compromise the skin’s integrity, leaving the enlarged vein protected only by a thin layer of weakened tissue.

Even a minor injury, such as a scratch or a bump, can breach this fragile skin and rupture the underlying vein wall. Because the blood is under significant venous pressure, the resulting bleeding is often profuse and rapid. A ruptured varicose vein can lead to a large amount of blood loss quickly, making it a medical emergency.

Steps to Take During a Bleeding Incident

The most important and immediate action to take if a varicose vein begins to bleed is to elevate the affected leg high above the level of the heart. Elevating the limb uses gravity to dramatically reduce the venous pressure within the vein, which drives the rapid blood loss. The individual should lie down and use pillows to support the leg in a raised position.

While the leg is elevated, apply firm, direct pressure immediately over the bleeding site using a clean cloth or sterile gauze. The pressure must be continuous and unwavering to allow the blood to clot and seal the rupture. Maintain this firm pressure without checking the bleeding for at least 10 to 15 minutes.

If the bleeding is difficult to control despite sustained pressure and elevation, or if the individual feels dizzy, faint, or weak, seek emergency medical attention immediately. Continue to apply maximum pressure and keep the leg elevated while waiting for professional help. Do not remove any applied dressing until a healthcare professional can assess the situation.

Reducing the Likelihood of Bleeding

Proactive measures focus on reducing the chronic venous hypertension that makes the veins vulnerable to rupture. Consistent use of prescribed medical-grade compression stockings is a primary method for prevention. They exert graduated external pressure that helps prevent blood pooling and lowers the internal pressure of the veins. These garments should be worn during the day when standing or sitting for long periods.

It is also important to protect the affected area from trauma. Individuals with prominent varicose veins should be careful to avoid scratching, bumping, or shaving directly over vulnerable vein segments. Daily skin care, including moisturizing lotions, can help maintain the health and resilience of the overlying skin.

The most definitive way to eliminate the risk of bleeding is through medical procedures that treat the underlying vein disease. Treatments such as endovenous thermal ablation or sclerotherapy work by closing the faulty vein segment, removing the source of the high pressure. By eliminating the high-pressure vein, these procedures remove the root cause of skin changes and the associated bleeding risk entirely.