03/27/2026
Varicose Veins and Leg Swelling: When Is It Serious?
Leg swelling is a common concern, especially for patients with varicose veins. Many people notice their ankles or lower legs becoming more swollen throughout the day and assume it is simply due to standing, heat, or aging. While mild swelling can be normal in certain situations, persistent or worsening swelling is often a sign of underlying venous disease that should be evaluated.
At the Vascular Center and Vein Clinic of Southern Indiana, board-certified vascular surgeon Dr. Ricardo Vasquez has over 20 years of experience diagnosing and treating varicose veins, venous insufficiency, and leg swelling. His office includes a fully accredited vascular ultrasound lab, allowing for immediate, in-office evaluation without hospital delays. Dr. Vasquez and Monroe Hospital were recognized as a Top 50 Vascular Surgery Hospital in the Nation by Healthgrades in 2024—the only hospital in Indiana with this distinction.
Why Varicose Veins Cause Swelling
Varicose veins develop when the valves inside the veins stop working properly. Instead of moving blood efficiently back to the heart, blood pools in the lower legs. This leads to increased pressure within the veins, known as venous hypertension.
As pressure builds, fluid begins to leak into the surrounding tissue, causing swelling—most commonly around the ankles and lower legs. Swelling often worsens by the end of the day or after long periods of standing or sitting.
Over time, this process can become chronic and lead to additional symptoms such as heaviness, aching, skin discoloration, and thickening of the skin.
When Leg Swelling May Be Normal
Occasional swelling can occur in otherwise healthy individuals, particularly after long travel, extended standing, or during hot weather. This type of swelling is usually mild, improves with rest or leg elevation, and does not persist day after day.
However, when swelling becomes frequent, noticeable, or progressive, it should not be ignored.
Signs That Swelling Is More Serious
Leg swelling related to varicose veins may require medical evaluation if it becomes persistent or is associated with other symptoms. Warning signs include swelling that occurs daily, swelling that does not fully improve overnight, or swelling accompanied by visible varicose veins, skin discoloration, or discomfort.
More urgent symptoms include sudden swelling in one leg, pain, redness, or warmth, which could indicate a blood clot and require prompt evaluation.
Chronic swelling can also lead to complications such as skin inflammation, thickening (lipodermatosclerosis), and eventually venous ulcers, which are difficult to heal if left untreated.
Why Early Evaluation Matters
The most effective way to determine the cause of leg swelling is through vascular ultrasound, which evaluates blood flow and vein function. At Dr. Vasquez’s office, this testing is performed on-site in a fully accredited lab, allowing for immediate diagnosis and treatment planning.
Patients do not need a referral and can schedule directly. Early evaluation helps prevent progression of venous disease and reduces the risk of long-term complications.
Treatment Can Improve Symptoms and Prevent Complications
When varicose veins are identified as the cause, treatment focuses on reducing venous pressure and improving circulation. Minimally invasive, in-office procedures can effectively treat the underlying problem, often leading to significant improvement in swelling and overall comfort.
When to Schedule an Appointment
If you experience ongoing leg swelling, especially with varicose veins, skin changes, or discomfort, it is important to seek evaluation. What may seem like a minor issue can progress if left untreated.
Call 812-336-6008 to schedule an appointment with Dr. Ricardo Vasquez at the Vascular Center and Vein Clinic of Southern Indiana. Early diagnosis and treatment can help prevent complications and improve long-term vein health.