What is the Best Medication for Restless Legs Syndrome?

Restless legs syndrome (RLS) can disrupt sleep with an uncomfortable urge to move your legs. These symptoms can affect your quality of life, leaving you feeling tired, frustrated, and unsure of what's causing the discomfort. Treatment depends on the cause, and medication isn't always necessary. 

In this blog, Michael Harding, MD, lead physician at Center for Vein Restoration (CVR) in Albuquerque, New Mexico, explains the best-supported medications for RLS, what their side effects mean, and when a vein evaluation may help uncover another source of leg discomfort.

If you're experiencing restless legs alongside swelling, heaviness, or visible veins, schedule an evaluation with Center for Vein Restoration (CVR). A board-certified vein specialist can check for circulation problems and guide your treatment path.

What Is Restless Legs Syndrome?

RLS, also called Willis-Ekbom disease, is a neurological condition that creates a strong urge to move the legs, the National Library of Medicine explains. Sensations may feel like tingling, pulling, crawling, or aching. They usually begin or worsen during rest, become more noticeable in the evening, and improve temporarily with movement.

Doctors diagnose RLS based on its symptom pattern, not a single laboratory test. An evaluation may review sleep, medications, and related conditions.

What Medications Are Used to Treat Restless Legs Syndrome?

Several medications can manage RLS, but they work differently. Your physician will consider symptom frequency, sleep, and health history.

According to current American Academy of Sleep Medicine guidelines, gabapentin, gabapentin enacarbil, and pregabalin are strongly recommended for adults with RLS. Iron treatment may help when blood tests show levels that warrant replacement. The right approach depends on individual risks, treatment goals, and whether another condition is contributing to leg discomfort. 

Here’s a quick breakdown of the main medication options:

• Gabapentin and pregabalin: These medicines influence nerve signaling that contributes to uncomfortable sensations. Gabapentin enacarbil is a related, longer-acting medicine specifically approved for RLS, the Mayo Clinic explains, adding that its potential side effects may include drowsiness, dizziness, balance problems, and swelling. Dose selection may depend on kidney function and fall risk.
• Iron treatment: Low iron stores can contribute to RLS even without anemia. Ferritin and transferrin saturation blood tests help determine whether oral or intravenous iron is appropriate. Oral supplements may cause constipation, nausea, or stomach upset, VerywellHealth says. Don't take high-dose iron without medical guidance because too much can be harmful.
• Dopamine agonists: Ropinirole, pramipexole, and rotigotine were once common treatments. Updated guidelines advise against their routine use because they can cause augmentation, in which symptoms start earlier, spread, or become more severe over time. Other risks include nausea, sleepiness, and compulsive behaviors. Never stop a prescription abruptly; discuss changes with your physician.

Keep in mind: medication can help, but it may not resolve discomfort caused by a different condition. An accurate diagnosis matters.

What Causes RLS or Increases Your Risk?

RLS sometimes runs in families, and its exact cause isn't always known. Pregnancy, kidney disease, and certain nerve conditions may increase the likelihood of symptoms, according to MedlinePlus. Some medications can make RLS worse, so share an updated medication list with your healthcare provider.

RLS and vein disease share several risk factors, including age, family history, and pregnancy. Other risk factors for vein disease include excess weight and prolonged periods of standing or sitting. RLS and vein disease can cause similar symptoms and may occur together, so identifying your risk factors can help your doctor determine whether vein disease may be contributing to your discomfort.

What Symptoms Could Point to a Vein Problem?

Chronic venous insufficiency (CVI) develops when valves in the leg veins weaken, allowing blood to flow backward and collect in the lower legs. 

According to Cleveland Clinic, common signs of CVI worth discussing with a vein specialist include:

• Aching or heavy legs after standing for a long time
• Swelling around the ankles, especially later in the day
• Bulging varicose veins or visible spider veins
• Itching, skin discoloration, or tenderness near the ankles
• Discomfort that improves when you elevate your legs

A physician can help tell RLS, which tends to ease with movement, apart from vein symptoms, which tend to ease with elevation.

Can Vein Treatment Relieve Restless Leg Symptoms?

Research suggests that treating underlying vein disease may help relieve restless leg symptoms: in a 2019 study published by Cureus, 35 patients with RLS and confirmed venous reflux experienced an average 63 percent reduction in RLS symptom severity following minimally invasive vein treatment. Of those patients, 29 percent experienced complete symptom relief. While these findings are promising, larger studies are needed to confirm the benefits. A vein evaluation can help determine whether venous insufficiency may be contributing to your symptoms.

A vein specialist may recommend a duplex ultrasound, a noninvasive test that shows blood flow and identifies malfunctioning vein valves. If treatment is appropriate, options may include:

• Endovenous laser ablation: Uses heat to close an unhealthy vein.
• Radiofrequency ablation: Uses controlled heat to seal a problem vein.
• Ultrasound-guided sclerotherapy: Injects a solution into selected veins to close them.

Other options depend on your diagnosis. Most procedures are outpatient. Ask about recovery, risks, and insurance coverage. CVR accepts most major insurance plans, including Aetna, Blue Cross/Blue Shield, and Medicare.

What Can You Try Before or Alongside Medication?

Lifestyle changes can help reduce mild RLS symptoms. Follow a consistent sleep schedule, get moderate exercise, and try gentle stretching or a warm bath before bed. Reducing caffeine and alcohol may also help. If you think a medicine is triggering symptoms, consult your prescriber before making changes.

For diagnosed venous insufficiency, walking, taking breaks from sitting or standing, and elevating your legs can ease discomfort. Compression stockings may help control swelling if your physician recommends them. 

When Should You Seek Medical Care?

Make an appointment if leg sensations frequently interrupt sleep or affect your daily activities. A primary care physician or sleep specialist can evaluate suspected RLS. Consider seeing a vein specialist when discomfort also involves persistent swelling, heaviness, varicose veins, or skin changes.

Sudden pain or swelling in one leg, especially with warmth or redness, needs prompt assessment because it could signal a blood clot. Chest pain or sudden shortness of breath requires emergency care.

Find the Right Treatment for Your Legs

The best treatment starts with understanding what's causing your symptoms. Restless legs syndrome and vein disease require different approaches, and some patients have both. A CVR vein evaluation can show whether your veins are contributing to your leg discomfort.

Frequently Asked Questions

Q: Can restless legs syndrome affect only one leg?

A: Yes. Symptoms can be stronger on one side, although they commonly affect both legs. Mention consistently one-sided discomfort so your physician can investigate other causes.

Q: Does RLS always require a prescription?

A: No. Mild symptoms may improve with changes to daily routines or by addressing contributing factors. Persistent sleep disruption deserves professional advice.

Q: Should I see a sleep specialist or a vein specialist first?

A: It depends on your main symptoms. A sleep specialist can assess the typical urge to move during rest. If you also have swelling or visible varicose veins, a vein evaluation may be useful.