Understanding Varicose Veins: Causes, Symptoms and Treatment Options

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Bulging, twisted veins on the legs are common, and for many people they are only a cosmetic concern. For others they come with aching, heaviness, swelling or skin changes that get worse through the day. These symptoms often point to chronic venous insufficiency, a condition that is very treatable today, usually without a hospital stay. Recognising these signs early is useful because untreated venous disease can affect comfort, mobility and the condition of the skin. Not everyone with visible veins needs a procedure, but ongoing symptoms are a good reason to speak with a healthcare professional. An assessment can help distinguish a cosmetic concern from a circulation problem that needs attention.

Why varicose veins form

Leg veins carry blood back up to the heart against gravity. Small one-way valves inside the veins keep blood from sliding backward. When those valves weaken, blood pools in the lower legs, the veins stretch, and pressure builds. Over time this can cause visible varicose veins, swelling and skin damage. The condition usually progresses slowly over years, so an earlier evaluation often means simpler treatment and a better chance of protecting the skin around the ankle.

Who gets them

Risk rises with age, a family history of vein problems, pregnancy, excess weight, and jobs that involve long hours of standing or sitting. Women are affected more often than men.

Symptoms worth a visit

  • Aching, heaviness, throbbing or burning in the legs, especially late in the day

  • Ankle swelling that improves overnight

  • Night cramps or restless legs

  • Itching around a vein

  • Darkening or hardening of the skin near the ankle

  • A sore near the ankle that is slow to heal

Symptoms can vary from person to person. Some people notice only visible veins, while others experience discomfort that affects daily routines. Keeping track of when swelling or pain occurs, what makes it better and whether skin changes are developing can provide information during an appointment.

Spider veins versus varicose veins

Spider veins are small red, blue or purple lines close to the skin surface and rarely cause symptoms. Varicose veins are larger, raised and often rope-like. Both can share the same underlying valve problem, which is why an exam matters before treatment.

When swelling is something else

Leg swelling has many causes. Swelling in only one leg, especially with pain, warmth or redness, can be a sign of a blood clot (deep vein thrombosis) and needs prompt medical attention. Swelling in both legs can also come from heart, kidney or liver problems, or from certain medicines. Seek emergency care for leg swelling with chest pain or sudden shortness of breath.

How veins are evaluated

A venous ultrasound, sometimes called a duplex scan, is painless and shows how blood is flowing and whether the valves are leaking. The results guide treatment and are often needed for insurance coverage.

An ultrasound assessment is useful because veins that look similar on the surface may have different patterns of blood flow beneath the skin. The findings allow the care team to focus on the veins responsible for symptoms and avoid choosing a treatment based only on appearance.

Treatment options

Many people start with compression stockings, regular walking, leg elevation and weight management. When symptoms persist, minimally invasive options include endovenous ablation, which uses heat to close a faulty vein, and sclerotherapy, which uses an injected solution to close smaller veins. Blood then reroutes through healthy veins. These are typically outpatient procedures with a quick return to normal activity.

The most appropriate treatment depends on the patient’s symptoms, ultrasound findings and overall health. Before a procedure, patients should share their medical history, medicines and any previous vein treatment with the clinician. Following the care team’s instructions before and after treatment can support recovery. Individual recommendations may differ, so patients should ask for advice that reflects their test results and health needs.

Everyday steps that help

  • Walk daily, since calf muscles act as a pump that pushes blood upward

  • Raise your legs above heart level for 15 to 20 minutes a few times a day

  • Take short movement breaks if you sit or stand for long stretches

  • Wear compression stockings if your doctor recommends them

  • Keep a healthy weight and limit salt to reduce swelling

Questions to ask before treatment

  • Which veins are leaking, and what did the ultrasound show?

  • Will treatment relieve my symptoms, or is it mainly cosmetic?

  • What does recovery look like, and when can I walk and work again?

  • Does my insurance require a trial of compression stockings first?

Getting care near The Woodlands

If your legs ache, swell or show bulging veins, Healthy Living Heart and Vein in Shenandoah evaluates vein problems with ultrasound and explains every option before treatment. The office at 18488 I-45, Suite 200, Shenandoah, TX 77384 serves The Woodlands, Spring, Conroe, Tomball and Oak Ridge North. Call (936) 978-0466 for an appointment.

A consultation can help determine whether symptoms are related to venous insufficiency or another condition and whether conservative care or a procedure may be suitable. Patients can discuss their concerns, learn what the ultrasound shows and receive guidance on possible next steps.

You can read more about the condition from the National Heart, Lung, and Blood Institute.

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Twelve years of clinical nutrition practice — cutting through wellness noise with evidence-based guidance that actually holds up to scrutiny.
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Sophia Hernandez is a Registered Dietitian (RD) and health and beauty writer with over 12 years of clinical experience in nutrition, dietetics, and preventive health. She holds a Master of Science in Nutrition and Dietetics from Columbia University Mailman School of Public Health and a Bachelor of Science in Food Science from the University of California, Davis — credentials that place her nutrition writing within one of the most evidence-based and clinically rigorous frameworks in the field. Her content covers clinical nutrition, skin health and diet, weight management, gut health, sports nutrition, eating disorders, beauty from within, and the science behind health and wellness trends that are frequently misrepresented in popular media. Her work has appeared on platforms including Healthline, Everyday Health, and Self, where she contributes medically reviewed articles and nutrition guides for readers who need health and beauty content grounded in verified clinical evidence — not influencer-driven wellness trends. Over 12 years, Sophia has worked with patients across clinical settings including hospitals, outpatient nutrition clinics, and private practice — covering conditions including diabetes, cardiovascular disease, eating disorders, and skin health. She has published 400+ articles and nutrition guides, presented at the Academy of Nutrition and Dietetics (AND) Annual Food and Nutrition Conference, and is a credentialed member of the Academy of Nutrition and Dietetics and the American Society for Nutrition (ASN). Across all her writing, every nutrition claim is supported by peer-reviewed research, every dietary recommendation reflects current clinical guidelines, and no wellness trend is endorsed without evaluating the evidence behind it — because in health content, the gap between what sounds good and what is clinically supported can directly harm readers who act on it.

Updated on11/10/26

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