What Is Claudication? Why Your Legs Hurt When You Walk, and What to Do About It
Updated: 3 days ago
Medically reviewed by Dr. Baraa Alnahhal, MD · Last reviewed: October 2026
Quick Answer
Claudication is muscle pain or cramping in the legs or arms that begins during exercise and usually ends with rest, caused by too little blood flow. It signals peripheral artery disease and raises the risk of heart attack and stroke. Diagnosis includes the ankle-brachial index; treatment includes exercise programs, medicines and procedures. Severe blockage can cause gangrene or amputation. [5] [6]
What the research says
According to PubMed, recent meta-analyses of randomized trials in intermittent claudication report the following:
Supervised exercise is a durable first-line treatment. A 2026 meta-analysis of five randomized trials (728 patients) found that supervised exercise therapy and endovascular revascularization both improved quality of life and walking distance compared with optimal medical therapy. At 12 months the two did not differ (SMD 0.02; 95% CI -0.18 to 0.22), but beyond 24 months benefits were sustained with exercise and faded after procedures, which carried reintervention rates of about 20% to 30% by 2 years. (Puljevic et al., Healthcare, 2026) [1]
Combining a procedure with supervised exercise may add benefit. A 2026 meta-analysis of seven trials (712 patients) found combined revascularization plus supervised exercise improved maximum walking distance by 106.35 m (95% CI 46.54-166.17) compared with either treatment alone. The authors note high risk of bias and variation between trials. (Marchand et al., Ann Vasc Surg, 2026) [2]
Invasive treatment walks farther but carries more complications. A 2025 meta-analysis of 11 trials (1,379 patients, followed 2 to 7 years) found invasive treatment improved maximum walking distance by 64.94 m (95% CI 10.77-115.12) over noninvasive care. Amputation risk was higher with invasive treatment, though not statistically significant (OR 2.46; 95% CI 0.44-13.94). (Elmahi et al., Cochrane Evid Synth Methods, 2025) [3]
Study details are from PubMed abstracts.
What is claudication?
Claudication is pain from too little blood flow to the muscles during exercise. Often, the pain happens in the legs after walking at a certain speed and for a certain amount of time. How soon it starts depends on how much blood flow is blocked. [5]
Claudication is a symptom, not a specific disease or condition. It's most often related to narrowed arteries in the legs or arms, a condition called peripheral artery disease (PAD). You can read more in our guide to peripheral artery disease.
The condition is also called intermittent claudication. Intermittent means not constant, so the pain might come and go. It may begin during exercise and get better with rest. As claudication gets worse, the pain may happen during rest and become constant. [5]
The goal of treatment is to lower the risk of blood vessel damage, lessen pain, improve movement, and prevent tissue damage. [5]
What does the pain feel like, and where?
The main symptom is muscle pain or cramping in the legs or arms that starts during exercise and usually ends with rest. Your muscles may feel tired or achy when you use them. [5]
The pain can appear in several places:
Pain location | Common name for the area |
Back of the lower leg | The calf |
Upper leg | The thigh |
Back of the hip area | The buttock |
Bottom of the leg | The feet |
Some people with claudication have pain in the shoulders, biceps, and forearms. [5]
The pain may get worse over time, and you may start to feel it at rest. If blood flow is badly reduced or blocked, you might also have cool skin, severe pain that doesn't go away, numbness in an arm or leg, changes in skin color, and sores that don't heal. [5]
Why does claudication happen?
Claudication is most often a symptom of PAD. The peripheral arteries are the large vessels that bring blood to the legs and arms. PAD is usually caused by a buildup of fats, cholesterol, and other substances in and on the artery walls, a condition called atherosclerosis [5]. Learn more in our guide to arteriosclerosis and atherosclerosis.
PAD limits blood flow in an arm or leg. At rest, the reduced flow is often enough. When you're active, your muscles don't get enough blood to meet demand. [5]
Here is how the narrowing develops. If there's too much cholesterol in the blood, the cholesterol and other substances may form deposits called plaque. Plaque can narrow or block an artery. If a plaque ruptures, a blood clot can form, and plaque and clots can reduce blood flow through the artery. [5]
Who is at higher risk?
Possible risk factors for claudication and the conditions that cause it include [5]:
Risk factor | Detail |
Family history | A family history of atherosclerosis, peripheral artery disease, or claudication |
Age over 50 | Risk rises if you also smoke or have diabetes |
Age over 70 | Risk rises with age on its own |
Chronic kidney disease | Kidney disease is linked to claudication and its causes |
Diabetes | Raises the risk of developing peripheral artery disease |
High blood pressure | Adds strain and damage to the arteries over time. See our guide to high blood pressure. |
High cholesterol | Fuels the plaque buildup that narrows arteries |
Obesity | Defined as a body mass index (BMI) over 30 |
Smoking | Damages the arteries and raises the risk of PAD |
Why shouldn't you ignore leg pain while walking?
Claudication may go undiagnosed because some people think the pain is a typical part of aging. Some people become less active to avoid the pain.
Talk to a member of your care team if you have pain in your legs or arms when you exercise. Claudication can lead to a cycle that worsens heart and blood vessel health: pain makes exercise hard or impossible, and a lack of exercise is bad for your overall health. [5]
Many things can cause leg and arm pain during exercise, so a full health checkup and proper tests are important to find the cause. [5]
What problems can claudication lead to?
Claudication is a warning symptom of significant atherosclerosis, which raises the risk of heart attack and stroke. Complications may include skin sores that don't heal, death of muscle and skin tissues (gangrene), and the need to remove an arm or leg (amputation). [5]
How is claudication diagnosed?
To diagnose claudication, a member of your care team examines you and checks the pulse in your arms and legs. They will likely ask about your health history and lifestyle habits, then do tests to check blood flow [6].
Test | What it does |
Blood tests | Usually done to check cholesterol and blood sugar levels |
Ankle-brachial index (ABI) | Compares the blood pressure in the legs with the blood pressure in the arms; the two should be about the same. You may be asked to walk on a treadmill during this test. |
Doppler ultrasound | Uses sound waves to look at blood flow in the legs or feet; a device checks blood pressure at different points along the leg and shows the speed of blood flow |
Angiography | X-rays, MRI, or CT scans check for blockages in the arteries; a dye is injected into a blood vessel before imaging so the vessels show up more clearly |
How is claudication treated?
The goals of treatment are to lessen pain, improve your ability to walk a longer time or distance, and manage risk factors that lead to heart and blood vessel disease. Treatment may include exercise, medicines, or a procedure or surgery to open blocked arteries. [6]
Exercise
Exercise is an important part of treatment. It can lessen pain, boost walking distance or time, improve blood vessel health in the affected arms and legs, help with weight management, and improve quality of life. [6]
Your care team may suggest a walking program like this:
Supervised exercise is recommended when you begin the walking program, but it's important to keep exercising at home to manage claudication. [6]
Medications
A member of your care team may prescribe one or more medicines to manage claudication pain and the risk factors for heart and blood vessel disease: [6]
Medicine type | How it helps |
Cholesterol medicine (statins) | Lower cholesterol and plaque buildup in arteries; often used for PAD; taking statins may improve walking distance |
Blood pressure medicine | High blood pressure can make arteries hard and stiff over time, slowing blood flow |
Blood sugar medicine | Diabetes raises the risk of PAD, a risk factor for claudication; medicines manage blood sugar levels |
Blood thinners | Aspirin or clopidogrel (Plavix) help blood flow and keep blood clots from forming |
Medicine for leg pain (cilostazol) | Improves blood flow; might lessen pain during exercise and help you walk a longer time or distance |
Tell your healthcare team about all the medicines, vitamins, and supplements you take, including those you buy without a prescription. [6]
Surgery or other procedures
Some people need a procedure or surgery to open or fix a narrowed artery. Options include: [6]
Procedure | How it works |
Angioplasty and stent placement | A doctor guides a thin, flexible tube (catheter) to the narrowed part of the artery, inflates a tiny balloon to improve blood flow, and may place a small wire mesh tube (stent) to keep the artery open |
Bypass surgery | A surgeon uses a healthy blood vessel from another part of the body, or a manufactured one, to create a path around the blocked artery |
Thrombolytic therapy | A clot-dissolving medicine is given directly into an artery blocked by a blood clot |
What can you do at home?
Healthy lifestyle changes may help you manage claudication and stop it from getting worse. [6]
Don't smoke. Smoking damages the arteries and raises the risk of PAD. If you have PAD, smoking can make it worse. If you need help quitting, ask your care team about treatments that can help. [6]
Exercise. Follow the exercise plan recommended by your healthcare professional. Regular exercise supports weight management and heart health. [6]
Eat a healthy diet. Eat plenty of low-starch vegetables, fruits, and whole grains. Choose lean meats, poultry, fish, and low-fat dairy. [6]
Foot care. Talk with your healthcare team about proper foot care. Know how to check your feet for injuries and infection, get a checkup if you notice a sore or injury, and wear well-fitting shoes and thick, dry socks. [6]
A heart-healthy lifestyle may also help prevent claudication. Your care team may recommend a balanced diet, regular exercise, a healthy weight, managing cholesterol, blood pressure, and blood sugar, not smoking, enough sleep, less stress, and limiting or avoiding alcohol. [5]
How do you prepare for a doctor's appointment?
Make an appointment for a checkup if you have leg pain or any other symptoms of claudication. You may be sent to a doctor trained in blood vessel conditions (a vascular specialist) or a doctor trained in heart disease (a cardiologist). [6]
Before your appointment:
Ask whether you need to do anything ahead of time (for example, not eating or drinking for a few hours before a cholesterol test).
Write down your symptoms, including any that may not seem related, noting when they started and what you were doing.
Write down key personal information, including any family history of heart disease, stroke, high blood pressure, or diabetes, and any major stresses or recent life changes.
List all medicines, vitamins, and supplements you take, including those bought without a prescription, and their doses.
Take someone along if possible to help you remember what you're told.
Write down your questions.
Some basic questions to ask your care team:
What is the likely cause of my symptoms? What are other possible causes?
What kinds of tests will I need?
What's the proper treatment, and what are other treatment options?
What's the right level of physical activity for me? Are there other restrictions I need to follow?
I have other health conditions. How can I best manage them together?
Your doctor may ask:
When did the symptoms start? Do they get worse when you exercise and better when you rest?
How would you rate the pain on a scale of 1 to 10, with 10 being the worst?
Is the pain keeping you from regular exercise or daily activities?
Do you have any other symptoms, or have you recently started or stopped any medicines or supplements?
Do you have a personal or family history of high blood pressure, high cholesterol, diabetes, heart disease, or stroke?
Do you smoke or have you ever smoked?
In the meantime, if you smoke, quit. Smoking increases the risk of PAD, which can cause claudication. [6]
What is the bottom line on claudication?
Claudication is your body's way of signaling narrowed arteries. The cramping that appears when you walk and fades when you rest is a sign that your leg muscles are running short on blood, and the same plaque narrowing your leg arteries may be narrowing arteries elsewhere. That is why claudication deserves more than a shrug and a slower pace: it raises the risk of heart attack and stroke, and in its most severe form can threaten the limb. It is also one of the most treatable warning signs. A structured walk-rest-walk program is itself a treatment, the medicines used for claudication also protect the heart, and procedures to open blocked arteries are available when lifestyle and medicine are not enough.
The best next step is a full checkup, starting with the pulse check and blood flow tests that take the guesswork out of leg pain. Ask about a vascular evaluation, including the ankle-brachial index, and discuss a supervised walking program.
Frequently Asked Questions
What is claudication?
Claudication is muscle pain or cramping in the legs or arms caused by too little blood flow during exercise. It most often occurs in the legs after walking at a certain speed and for a certain amount of time, and it is usually a symptom of peripheral artery disease (PAD), narrowed arteries caused by plaque buildup (atherosclerosis). [5]
Is claudication a disease?
No. Claudication is a symptom, not a specific disease or condition. It is most often related to narrowed arteries in the legs or arms, which is called peripheral artery disease. [5]
Why does the pain start with walking and stop with rest?
The narrowed arteries supply less blood than healthy arteries do. At rest, that reduced flow is often enough for the muscles. When you're active, the muscles need more blood than the narrowed arteries can deliver, so they ache. Resting lowers the demand, and the pain eases. As claudication worsens, pain may occur during rest and become constant. [5]
How is claudication diagnosed?
A care team member examines you, checks the pulses in your arms and legs, asks about your health history and lifestyle, and orders blood flow tests. These commonly include blood tests (cholesterol and blood sugar), the ankle-brachial index, Doppler ultrasound of the legs or feet, and angiography (X-ray, MRI, or CT imaging with dye to find blockages). [6]
Can claudication be treated?
Yes. The goals are to lessen pain, improve how long and how far you can walk, and manage heart and blood vessel risk factors. Treatment may include a structured walking program (walk until some pain, rest, walk again, repeating for 30 to 45 minutes at least three days a week), medicines such as statins, blood thinners, and cilostazol, and, if needed, procedures like angioplasty with stent placement, bypass surgery, or clot-dissolving therapy. [6]
What happens if claudication is ignored?
Claudication is a warning symptom of significant atherosclerosis, which raises the risk of heart attack and stroke. Ignoring it also risks a harmful cycle: pain discourages exercise, and lack of exercise worsens heart and blood vessel health. If blood flow becomes badly reduced or blocked, complications can include skin sores that don't heal, tissue death (gangrene), and amputation. [5]
Related Reading
Aortobifemoral Bypass: Surgery, Recovery and Results explains aortobifemoral bypass surgery.
Learn more in our guide to Pulse Volume Recording (PVR Test): What It Is, How It's Done and Results.
Learn more in our guide to Ankle-Brachial Index (ABI): Test, Normal Range and What Your Results Mean.
References
Puljevic M, Grubic-Rotkvic P, Dubravcic-Dosen M, et al. Durability of Exercise vs. Revascularization in Intermittent Claudication: An Updated Meta-Analysis of Randomized Trials Focusing on Patient-Centered Outcomes. Healthcare (Basel). 2026;14(2):170. PMID 41595306. https://doi.org/10.3390/healthcare14020170
Marchand C, Savoie-White FH, Patry J, et al. Evaluating the Added Value of Combined Revascularization and Supervised Exercise Therapy in Symptomatic Peripheral Artery Disease: A Systematic Review and Meta-Analysis with a Focus on Functional and Patient-Reported Outcomes. Ann Vasc Surg. 2026;133:136-148. PMID 42448037. https://doi.org/10.1016/j.avsg.2026.07.005
Elmahi A, Doolan N, Hezima M, et al. Long-Term Outcomes of Invasive vs Noninvasive Treatment for Intermittent Claudication: A Systematic Review and Meta-Analysis. Cochrane Evid Synth Methods. 2025;3(6):e70053. PMID 41059075. https://doi.org/10.1002/cesm.70053
Aday AW, Matsushita K. Epidemiology of Peripheral Artery Disease and Polyvascular Disease. Circ Res. 2021;128(12):1818-1832. PMID 34110907. https://doi.org/10.1161/CIRCRESAHA.121.318535
Mayo Clinic Staff. Claudication: Symptoms and causes. Mayo Clinic. December 19, 2025. https://www.mayoclinic.org/diseases-conditions/claudication/symptoms-causes/syc-20370952
Mayo Clinic Staff. Claudication: Diagnosis and treatment. Mayo Clinic. December 19, 2025. https://www.mayoclinic.org/diseases-conditions/claudication/diagnosis-treatment/drc-20370959
U.S. Centers for Disease Control and Prevention. About Peripheral Arterial Disease (PAD). CDC. Updated May 15, 2024. https://www.cdc.gov/heart-disease/about/peripheral-arterial-disease.html
Medical disclaimer
This article is for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay seeking it because of something you have read here.
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