July 15, 2025

Understanding the Differences, Benefits, and What Patients Can Expect

Some people notice varicose veins and think, "It looks bad, but it doesn’t hurt." For others, the discomfort is hard to ignore. That tired, achy feeling in the legs after standing for too long. The swelling. The heaviness. It builds slowly until it begins to interfere with daily life. Whether you're here because of pain or appearance, you’re probably wondering what to do next and what treatments actually work.

Laser therapy and sclerotherapy are two of the most common options offered by vein specialists. They're both outpatient procedures with solid track records, but they work differently and are best suited for different situations.

If you're sorting through your choices or trying to understand what a doctor might recommend, this guide will walk you through both treatments in detail. Read on to understand your options.

What Are Varicose Veins?

Varicose veins are enlarged, twisted veins that often appear just under the surface of the skin, most commonly in the legs. They occur when the valves inside the veins malfunction, causing blood to collect instead of flowing efficiently back to the heart. This buildup increases pressure and leads to the bulging, rope-like appearance many people recognize.

For some, varicose veins are mainly a cosmetic concern. For others, they can cause aching, swelling, or a heavy feeling in the legs, particularly after prolonged periods of standing or sitting. In more advanced cases, they may contribute to skin changes or ulcers near the ankles. While they're common and often harmless, treatment may be recommended if they cause discomfort or affect quality of life.

What Are Varicose Vein Treatments?

Varicose vein treatments are procedures designed to close off, shrink, or remove malfunctioning veins, allowing blood to reroute through healthier veins. These veins typically become twisted or enlarged when the valves inside them malfunction, allowing blood to pool instead of flowing smoothly.

You don’t have to be in pain to seek treatment. Sometimes people choose to treat varicose veins because they’re visible or feel self-conscious. In other cases, it's about physical symptoms that are harder to ignore, such as throbbing, heaviness, itching, or nighttime cramps. Whatever the reason, the goal of treatment is the same: improve comfort and function while reducing the visible appearance.

A consultation with a vein specialist is the first step. They’ll usually conduct a quick physical exam such as an ultrasound and discuss your symptoms. From there, they'll recommend a treatment plan based on the size and location of the veins involved.

The Most Common Varicose Vein Treatment Options

The most common forms of treatment for varicose veins are sclerotherapy and laser therapy. While they share a common goal, eliminating the discomfort and appearance of varicose veins, they employ somewhat different approaches. Here’s what you need to know.

What Is Sclerotherapy?

Sclerotherapy involves injecting a special solution directly into the affected vein. The solution irritates the lining of the vein, causing it to collapse and eventually be absorbed by the body. Over time, blood is rerouted through healthier veins nearby.

This treatment has been used for decades and remains one of the most effective options for treating spider veins and small varicose veins. It's done in-office, usually without any major prep. A small needle is used for the injections, and each session typically lasts 15 to 45 minutes, depending on the number of veins being treated.

Patients are generally able to walk around immediately after and go back to work the same day. You may be asked to wear compression stockings for a week or two after the procedure. Bruising, minor discomfort, and itching at the injection site are common but usually fade quickly.

You won't see results right away. Most people start to notice changes after a few weeks, with full results showing up after a few months. Some veins need more than one session.

How Varicose Veins Laser Therapy Works

Laser therapy for varicose veins typically refers to endovenous laser treatment (EVLT). Unlike sclerotherapy, which involves an injection directly into the vein, EVLT uses a thin laser fiber inserted through a small incision. Guided by ultrasound, the doctor threads the fiber into the vein and pulses laser energy along the inside. This heat causes the vein walls to seal shut.

The treated vein gradually fades and disappears as the body reabsorbs it. Blood naturally reroutes through nearby veins. This approach is more commonly used for larger, deeper varicose veins, especially those that cause leg pain, heaviness, or swelling.

Patients receive a local anesthetic, and the procedure typically takes less than an hour to complete. You can walk out of the office afterward, though you'll likely be advised to take it easy for the rest of the day. A follow-up visit may be scheduled to check on progress.

Comparing Recovery From Laser Therapy and Sclerotherapy

Both treatments are done on an outpatient basis, and most people are up and walking within minutes. That said, recovery feels slightly different depending on the procedure you choose.

With sclerotherapy, recovery is usually straightforward. You might have some minor irritation or darkening of the skin around the treated vein. The area may feel firm or tender for a few days, but this fades. Most patients resume work and regular activities immediately, provided they avoid intense exercise for a few days.

Laser therapy comes with a slightly longer adjustment period. Since it involves heat and a fiber inserted into the vein, there may be a tight or pulling sensation in the treated area. It's not uncommon to have light bruising or swelling. Even so, walking is encouraged right after the procedure to help with blood flow and healing.

In either case, compression stockings are typically recommended for one to two weeks to promote circulation and reduce swelling.

Choosing Between the Two Procedures

The right choice isn’t always obvious, which is why an exam is so important. Generally, sclerotherapy is ideal for smaller surface veins, including spider veins and mild varicose veins. It’s quick, relatively painless, and doesn’t involve heat or incisions.

Laser therapy is often recommended for larger or deeper varicose veins, especially when symptoms include leg fatigue, heaviness, or visible bulging. It addresses the root problem more directly in those cases.

Your doctor may suggest one or the other based on how the vein appears on an ultrasound, its width, and its location. Some people end up doing both, starting with laser therapy to close off larger veins, then following up with sclerotherapy to address leftover smaller ones.

Convenience can also play a role, as sclerotherapy sessions are quicker and may require multiple appointments. Laser therapy typically requires fewer treatments but may necessitate more follow-up monitoring.

What Results Can You Expect

Both treatments have a good success rate, but neither gives instant results. Veins don’t vanish overnight. Instead, they fade gradually as the body absorbs them.

After sclerotherapy, smaller veins may start to disappear in three to six weeks, while larger ones can take three to four months. With laser therapy, patients often experience symptom relief within the first few weeks and continue to show visual improvement over several months.

It’s important to note that varicose veins can recur, especially if you’re genetically prone to them or have a job that requires prolonged standing. Maintenance treatments aren’t uncommon, and some patients choose to come back every year or two for touch-ups.

Common Side Effects and What They Feel Like

After either treatment, it's normal to feel some discomfort, though it's usually mild.

With sclerotherapy, the most common side effects include slight burning or cramping at the injection site, along with bruising or small raised areas under the skin. These go away within days or weeks. A few people notice temporary skin discoloration or tiny blood vessels around the treated area.

Laser therapy may leave a feeling of tightness or pulling, especially when bending or stretching the treated leg. Some bruising and swelling can also occur. Most people find these effects manageable and short-lived.

Severe side effects are rare but worth discussing. These might include allergic reactions, clotting, or nerve irritation. Following up with your provider helps track your healing and catch any concerns early.

When to Talk to a Specialist

If your legs often feel heavy, achy, or itchy, especially at the end of the day, or if swelling makes shoes or socks uncomfortable, it’s time to consider getting evaluated. You don’t need to wait for things to get worse.

A vein specialist typically begins with a visual examination and uses ultrasound imaging to gain a clearer understanding of what’s happening beneath the surface. They can identify which veins are malfunctioning and which are still healthy.

You may be surprised by the numerous options available. Even if you’ve lived with varicose veins for years, treatment today is far less invasive than it was a generation ago.

Frequently Asked Questions About Varicose Vein Treatments

Are varicose vein treatments painful?

Most patients describe them as mildly uncomfortable rather than painful. Sclerotherapy feels like a pinch or sting. Laser therapy is done under local anesthesia.

How long does it take to see results from laser therapy or sclerotherapy?

Visible improvements often start within a few weeks, with full results taking a few months.

Will treated veins come back?

Treated veins don’t come back, but new ones can form. Some patients return for maintenance visits over time.

Can I walk after my procedure?

Yes, walking is encouraged right away, as it helps with healing and blood flow.

How do I know if I need laser therapy instead of sclerotherapy?

It depends on vein size, location, and symptoms. A vein specialist will help determine which option is best for you.

Are these treatments permanent?

They permanently close the treated vein, but future vein issues can still develop.

Finding the Right Fit for Your Relief

Treating varicose veins isn’t just about how your legs look. It includes how they feel and function throughout the day. Swollen, painful, or heavy legs can limit your daily activities, whether it's walking, working, or resting comfortably. When symptoms start interfering with your daily life or you’re tired of hiding visible veins, it makes sense to explore your options.

Sclerotherapy and laser therapy are both well-established approaches. One isn’t better than the other. They serve different purposes and can even complement each other in a treatment plan. The key is determining which one makes the most sense for your veins, lifestyle, and goals.

If vein symptoms are wearing you down and you're ready to compare treatment options with an expert, chat with us to find a vein specialist near you who can recommend the right approach — whether that's laser therapy, sclerotherapy, or something else — for your legs and your lifestyle.