Blocked arteries in the legs, known as peripheral artery disease (PAD), are treated with a combination of supervised exercise, medications, and in more severe cases, procedures to physically reopen or bypass the blockage. The right approach depends on how much the blockage limits your daily life and whether your leg tissue is at risk. Most people start with exercise and medication, and many never need a procedure at all.
Supervised Exercise: The First-Line Treatment
Structured walking programs are one of the most effective treatments for leg artery blockages, particularly when your main symptom is cramping or pain while walking (called claudication). This isn’t casual advice to “walk more.” Supervised exercise therapy follows a specific protocol: you walk until you hit near-maximal leg pain, rest until it subsides, then repeat. Sessions last 30 to 60 minutes, and the strongest results come from programs that run at least three sessions per week for six months or longer.
The goal is to train your legs to function better with reduced blood flow. Over time, your body develops new small blood vessels around the blockage and your muscles become more efficient with the oxygen they do receive. Research on optimal program design found the greatest improvements in walking distance when patients walked to near-maximal pain during each session rather than stopping at the first sign of discomfort. Medicare covers up to 36 sessions over 12 weeks, with the possibility of an additional 36 sessions after a second referral.
If a supervised program isn’t available near you, the standard home recommendation is to walk at least three times a week for at least 30 minutes per session, pushing through to near-maximal pain each time, for six months.
Medications That Protect and Improve Blood Flow
Nearly everyone with PAD takes at least two types of medication: one to prevent blood clots from forming on the arterial plaque, and one to lower cholesterol and slow the disease from getting worse.
For clot prevention, most people are prescribed a daily low-dose aspirin or clopidogrel (a similar blood thinner). Which one you take depends partly on your bleeding risk. Some people with PAD and low bleeding risk also take a low-dose blood thinner in combination with aspirin for stronger protection, though this adds some bleeding risk. After a stent or other procedure, you may temporarily take two blood thinners together for one to three months.
Cholesterol management is aggressive in PAD because the disease signals that plaque buildup is already advanced. Guidelines recommend getting LDL cholesterol below 70 mg/dL for most people with symptomatic PAD, and below 55 mg/dL for those at the highest risk. Statins do double duty here: they lower cholesterol and stabilize existing plaque so it’s less likely to rupture and cause a sudden clot.
For symptom relief specifically, there is a medication called cilostazol that helps blood flow more easily and relaxes blood vessels. In clinical trials, the higher dose improved maximum walking distance by 51% and pain-free walking distance by 59% over 24 weeks compared to a placebo. It’s taken twice daily and is one of the few drugs that directly addresses the walking limitations of PAD. It’s not suitable for everyone, particularly those with heart failure.
Blood pressure and blood sugar control also matter. High blood pressure damages artery walls, and diabetes accelerates plaque buildup, so managing both conditions is part of treating PAD even though they seem like separate problems.
Angioplasty and Stenting
When exercise and medications don’t relieve symptoms enough, or when the blockage threatens the health of the leg itself, doctors can reopen arteries from the inside using minimally invasive procedures. These are done through a small puncture, typically in the groin, with no large incision.
The most common approach is balloon angioplasty: a tiny balloon is threaded to the blockage and inflated to push the plaque against the artery wall, widening the channel for blood flow. In many cases, a stent (a small wire mesh tube) is placed at the same time to hold the artery open. Stents come in two main types. Self-expanding stents spring open on their own once positioned, while balloon-expandable stents are opened by inflating a balloon inside them. Some newer stents are drug-eluting, meaning they slowly release medication at the site to prevent the artery from narrowing again.
Drug-coated balloons are another option. These deliver medication directly to the artery wall during angioplasty without leaving a permanent implant behind. They’re particularly useful in arteries that flex with leg movement, where a rigid stent might eventually kink or fracture.
Recovery from angioplasty is relatively quick. Most people go home the same day or the next day and return to normal activities within a week or two.
Atherectomy for Heavily Calcified Blockages
Some blockages are so hardened with calcium that a balloon alone can’t compress them effectively. In these cases, atherectomy may be used first. This procedure physically removes plaque from inside the artery using a tiny cutting, shaving, or grinding device threaded through a catheter. Think of it as clearing debris before repaving a road.
Atherectomy is typically reserved for specific situations: heavily calcified lesions where balloons and catheters can’t even cross the blockage, significant plaque buildup that would resist standard angioplasty, blockages that have returned inside a previously placed stent (called in-stent restenosis), or cases where prior procedures have failed. By reducing the plaque burden first, atherectomy can improve the results of follow-up balloon angioplasty or stenting, leading to better stent expansion and a smoother vessel wall.
Bypass Surgery
Bypass surgery is reserved for the most severe cases: people with pain at rest, non-healing wounds or tissue loss on the foot, or severe claudication that hasn’t responded to other treatments. The 2024 guidelines from the American College of Cardiology and American Heart Association classify PAD into stages, including asymptomatic, chronic symptomatic, chronic limb-threatening ischemia, and acute limb ischemia. Bypass surgery is most common in the limb-threatening categories.
The operation creates a detour around the blocked segment using a graft. The best graft material is your own vein, usually taken from the same leg. When a suitable vein isn’t available, surgeons use synthetic grafts made from materials like PTFE (a type of medical-grade plastic) or Dacron. The choice of graft material matters for long-term results, and your surgeon will assess which option is most durable for your specific anatomy.
Recovery is substantially longer than with angioplasty. You can expect to stay in the hospital for two to five days and need six to eight weeks for full recovery, though many people return to work within a few weeks. The trade-off for that longer recovery is durability: five years after surgery, 60% to 85% of bypass grafts are still open and functioning, and the results often last longer than those from balloon angioplasty or stenting.
Daily Foot Care to Prevent Complications
Reduced blood flow to the legs means minor injuries heal slowly and can escalate into serious infections or ulcers, especially if you also have diabetes. Daily foot care is a genuinely important part of PAD treatment, not just a nice suggestion. Check your feet every day for cuts, redness, swelling, sores, blisters, corns, or calluses. Wash them daily in warm (never hot) water and dry them thoroughly, especially between the toes.
Always wear shoes, even indoors, to avoid cuts and scrapes you might not feel if nerve damage is also present. Trim toenails straight across and smooth sharp edges with a file. Don’t try to remove corns or calluses yourself. These small habits prevent the kind of wounds that, in someone with poor circulation, can ultimately lead to hospitalization or amputation.
Smoking and the Treatment That Matters Most
If you smoke, quitting is the single most important thing you can do for blocked leg arteries. Smoking damages artery walls, accelerates plaque formation, and constricts blood vessels, directly worsening every aspect of PAD. No medication or procedure can fully counteract the ongoing damage of continued smoking. Procedures are also more likely to fail in people who keep smoking, because the underlying process that blocked the artery in the first place continues unchecked. Every other treatment for PAD works better when combined with smoking cessation.