What Does Poor Circulation Feel Like?

Poor circulation can feel like aching legs, cramping while walking, cold feet, swelling, heaviness, tingling or numbness. But these sensations do not all mean the same thing. Their significance depends on which part of the circulatory system is affected and whether the problem actually involves blood flow, nerve function or another underlying condition.

The short answer is that poor circulation feels different depending on the cause. Arterial disease may cause leg pain or fatigue during walking because the muscles cannot receive enough blood during activity. Venous disease may produce swelling, heaviness and aching because blood has difficulty returning from the legs toward the heart. Nerve disorders can cause burning, tingling or numbness that may resemble circulation problems even when arterial blood flow is adequate.

This distinction matters because circulation is not one isolated body function. It depends on the heart, arteries, veins, small blood vessels, blood composition, muscle activity and the nervous system. Changes in any of these systems can affect how the hands, feet and legs feel.

The goal is not to label every cold foot or tired leg as poor circulation. It is to recognize meaningful patterns, identify the underlying cause and support healthy vascular function while seeking appropriate evaluation when symptoms warrant it.

What Does Healthy Circulation Actually Do?

The cardiovascular system continually delivers oxygen and nutrients to tissues while helping remove carbon dioxide and metabolic waste products. The heart pumps blood through arteries, smaller arterioles and capillaries. Veins then return blood toward the heart, assisted by one-way valves, muscle contractions and changes in pressure during breathing.

Arteries and veins perform different jobs, so problems involving them often produce different symptoms.

• Arteries carry blood away from the heart and supply oxygenated blood to the legs, feet, arms and organs.
• Capillaries permit exchanges of oxygen, nutrients and waste products between blood and surrounding tissues.
• Veins return blood toward the heart, with leg vein valves and the calf-muscle pump helping overcome gravity.
• The nervous system helps regulate blood vessel diameter and also determines how temperature, pressure, pain and other sensations are perceived.

When someone says they have poor circulation, they may be describing inadequate arterial supply, impaired venous return, abnormal regulation of small blood vessels or sensations caused primarily by nerves.

These mechanisms require different evaluation and management. A supplement or treatment described broadly as improving circulation cannot be assumed to address all of them.

10 Common Signs and Symptoms Associated With Poor Circulation

Several patterns can raise concern about circulation, particularly when symptoms are persistent, progressive or noticeably different between the two legs. None is sufficient on its own to establish a diagnosis.

1. Leg Pain or Cramping While Walking

One of the most recognizable symptoms of peripheral artery disease (PAD) is discomfort that develops during walking or exercise and improves after resting.

This pattern is called intermittent claudication. It occurs when narrowed arteries cannot deliver enough blood to meet the increased oxygen needs of working muscles.

The discomfort may feel like cramping, aching, tightness, fatigue or weakness. It commonly affects the calf but can also occur in the thigh, buttock or other parts of the leg.

A particularly suggestive pattern is pain that repeatedly begins after a similar amount of walking and improves within several minutes after stopping.

However, spinal stenosis, joint disease and other conditions can also cause walking-related pain. A clinical assessment is needed to distinguish them.

2. Cold Feet or One Foot Colder Than the Other

Reduced arterial blood flow may cause a foot or lower leg to feel cooler than usual. A noticeable temperature difference between the two feet can be more concerning than both feet feeling cold in a chilly environment.

Cold feet are not automatically evidence of blocked arteries. Environmental temperature, normal blood vessel constriction, Raynaud phenomenon, thyroid disorders and other conditions can also contribute.

Sudden, severe coldness in one limb accompanied by pain, numbness, weakness or a change in color is an emergency warning sign and requires immediate medical evaluation.

3. Swelling Around the Ankles and Lower Legs

Swelling commonly occurs when fluid accumulates in the tissues, a condition called edema. Chronic venous insufficiency is one possible cause because poorly functioning vein valves allow blood pressure to build in the lower legs.

Venous swelling may become more noticeable after prolonged standing or sitting and improve with leg elevation.

However, swelling may also result from heart failure, kidney disease, certain medications, lymphatic disorders or other conditions.

New swelling in one leg, particularly with pain, tenderness or warmth, requires prompt evaluation for a possible deep vein thrombosis (DVT).

4. Heavy, Tired or Aching Legs

People with venous insufficiency often describe their legs as unusually heavy, full or fatigued toward the end of the day.

The sensation may worsen after standing for long periods because gravity increases pressure in the leg veins. Walking, gentle calf-muscle activity and leg elevation may improve symptoms.

Leg heaviness can also occur with peripheral artery disease or other medical conditions. The relationship to exercise, standing, position and rest helps distinguish possible causes.

5. Tingling or Pins-and-Needles Sensations

Tingling in the feet or hands is commonly attributed to poor circulation, but it frequently involves the nerves.

Peripheral neuropathy can produce sensations described as pins and needles, electric shocks, burning or abnormal sensitivity to touch.

Diabetes, vitamin B12 deficiency, certain medications, nerve compression and other medical conditions can contribute to neuropathy.

Circulation problems can sometimes cause sensory changes, particularly with severe arterial impairment, but tingling alone does not establish a vascular diagnosis.

6. Numbness or Reduced Sensation

Numbness can develop when peripheral nerves are damaged or compressed. It can also occur with severe reductions in blood flow.

The clinical pattern matters. Gradually progressive numbness affecting both feet may suggest peripheral neuropathy, whereas sudden numbness in a painful, cold limb may indicate acute arterial obstruction.

Reduced sensation deserves attention because it can make injuries, blisters and pressure sores harder to notice, especially in people with diabetes.

7. Changes in Skin Color

Vascular disorders can change the appearance of the skin. Reduced arterial supply may cause pallor, particularly when the leg is elevated. Some people with advanced PAD develop redness when the foot is lowered.

Chronic venous insufficiency may cause reddish-brown discoloration around the ankles as long-standing venous pressure contributes to skin changes.

Sudden blue, pale or mottled discoloration of a painful, cold limb can signal a serious vascular emergency.

Skin changes must be interpreted carefully because natural pigmentation and lighting affect their appearance. They may also be less obvious on darker skin.

8. Slow-Healing Foot or Leg Wounds

Healthy blood flow helps deliver oxygen and nutrients required for tissue repair. Severe arterial disease may impair wound healing, particularly in the feet and toes.

Venous disease can also contribute to chronic ulcers, often near the ankles, through sustained venous hypertension and associated tissue changes.

Diabetes, infection, pressure and poor nutrition may further complicate wound healing.

A persistent foot wound should not be managed simply by increasing supplements or trying circulation remedies. It warrants professional assessment, especially when diabetes or arterial disease is present.

9. Reduced Hair Growth or Changes in Toenails

Long-standing arterial insufficiency may be associated with reduced hair growth on the legs, changes in toenail growth, thinning skin or reduced muscle bulk.

However, hair distribution and nail appearance vary naturally and can change with age, skin conditions or other influences.

These findings are more meaningful when they appear alongside weak pulses, exertional leg pain, temperature differences or slow-healing wounds.

10. Foot Pain While Resting or Sleeping

In advanced peripheral artery disease, blood supply may become insufficient even when the muscles are not exercising.

Ischemic rest pain often affects the toes or forefoot and may worsen when the leg is elevated or during the night. Some people find temporary relief by lowering the affected foot.

Persistent ischemic rest pain, nonhealing wounds or gangrene may indicate chronic limb-threatening ischemia, a severe condition requiring urgent vascular assessment.

Nighttime foot discomfort can have other causes, including neuropathy and muscle cramps. Severe or persistent symptoms should not be assumed to be harmless.

Arterial Disease, Venous Disease and Nerve Problems: How Do They Differ?

Although symptoms overlap, their characteristic patterns can provide useful clues.

Arterial Circulation Problems

Arterial disease restricts blood delivery to tissues. In the legs, atherosclerosis is a common underlying cause.

Typical findings may include exertional muscle pain, reduced walking endurance, cooler skin, diminished pulses and delayed wound healing.

Advanced disease may produce pain at rest or tissue injury.

Venous Circulation Problems

Venous disease affects the return of blood from the limbs toward the heart. Faulty vein valves and persistent venous hypertension can produce swelling, aching, heaviness, visible varicose veins and skin discoloration.

Symptoms often worsen with prolonged standing and may improve with elevation or activity.

Peripheral Nerve Disorders

Neuropathy alters sensation and nerve signaling. Burning, tingling, electric-shock sensations, reduced sensitivity and balance difficulties are common.

These symptoms can occur even when the major arteries are delivering adequate blood.

Importantly, diabetes can cause both peripheral artery disease and neuropathy in the same person. Discovering a nerve problem does not automatically exclude a circulation problem, or vice versa.

Does Poor Circulation Always Cause Symptoms?

No. Some people with peripheral artery disease have no recognizable symptoms. Others gradually reduce their activity because walking becomes uncomfortable and consequently fail to notice a clear pattern of exercise-induced pain.

The 2024 ACC/AHA peripheral artery disease guideline recognizes both symptomatic and asymptomatic PAD. It also emphasizes that individuals with PAD can experience functional impairment even when they do not report typical claudication.

Risk factors therefore matter alongside symptoms.

Important risk factors include smoking, diabetes, elevated LDL cholesterol, high blood pressure, chronic kidney disease, increasing age and a history of atherosclerotic cardiovascular disease.

A lack of leg pain should not be interpreted as proof that the arteries are healthy.

Can Poor Circulation Cause Burning or Numb Feet?

Burning and numbness can accompany severe vascular problems, but peripheral neuropathy is an important alternative explanation.

Neuropathy often develops gradually and may affect both feet in a roughly symmetrical pattern. Symptoms can be worse at night and may include unusual pain from light touch, reduced temperature sensation or changes in balance.

Diabetes is a common cause, although neuropathy can also involve vitamin deficiencies, alcohol exposure, medications, autoimmune disease and other conditions.

People with both neuropathy and peripheral artery disease need particular attention to foot care because they may not notice an injury and may also have impaired tissue healing.

A useful evaluation therefore considers both vascular circulation and nerve function rather than assuming that every abnormal foot sensation reflects blocked arteries.

What Causes Poor Circulation in the Legs and Feet?

The causes depend on which part of the vascular system is affected.

Atherosclerosis can narrow peripheral arteries through the accumulation of plaque within vessel walls. Smoking, diabetes, elevated LDL cholesterol, high blood pressure and other cardiovascular risk factors increase the likelihood of this process.

Chronic venous insufficiency may develop when leg vein valves are damaged or no longer close effectively. Blood can then pool in the lower legs and increase venous pressure.

Deep vein thrombosis involves formation of a blood clot within a deep vein and may cause sudden swelling, pain and tenderness. It requires medical evaluation because a clot can travel to the lungs.

Vasospastic conditions, including Raynaud phenomenon, involve episodes of exaggerated constriction in small blood vessels. These may produce coldness, color changes or discomfort, particularly in response to cold or emotional stress.

Other systemic conditions, including certain heart, kidney and endocrine disorders, may produce symptoms that resemble poor circulation or affect vascular function indirectly.

Because causes differ, treatment should be based on the actual diagnosis rather than a general description of poor circulation.

How Do Healthcare Professionals Test for Poor Circulation?

Evaluation begins with a medical history and physical examination. A healthcare professional may ask where the symptoms occur, what triggers them, whether they improve with rest or elevation, and whether one side is affected more than the other.

Examination may include checking pulses, skin temperature, color, swelling, wounds, sensation and muscle function.

Ankle-Brachial Index (ABI)

The ankle-brachial index compares systolic blood pressure measured at the ankles with pressure measured in the arms.

It is a standard initial test for suspected lower-extremity peripheral artery disease.

Under the 2024 ACC/AHA guideline, an ABI of 0.90 or less is classified as abnormal. An ABI between 0.91 and 0.99 is borderline, while 1.00 to 1.40 is considered normal. Values above 1.40 suggest noncompressible arteries and may require alternative testing.

People with characteristic exercise-related leg symptoms may require exercise ABI testing even when resting measurements are normal or borderline.

Doppler and Duplex Ultrasound

Ultrasound can evaluate blood flow through arteries or veins. Venous duplex ultrasound is commonly used to investigate suspected blood clots or venous reflux.

Arterial duplex ultrasound may help identify the location and severity of arterial disease when additional information is needed.

Blood Tests and Risk Assessment

Depending on the symptoms, testing may include a lipid panel, blood glucose or HbA1c, kidney function, blood counts, thyroid function or vitamin B12.

These tests do not diagnose every circulation disorder directly. They help identify contributing conditions or alternative explanations for symptoms.

Additional Vascular Imaging

Computed tomography angiography, magnetic resonance angiography or catheter angiography may be considered when detailed arterial anatomy is needed, particularly before possible revascularization.

These investigations are not necessary for everyone who experiences cold feet or occasional leg discomfort.

When Is Poor Circulation an Emergency?

Some symptoms require immediate medical attention because they may indicate an acutely blocked artery or a dangerous blood clot.

Seek emergency medical care immediately if a limb suddenly becomes severely painful, cold, pale or blue, particularly when accompanied by numbness, weakness or inability to move it normally. Acute limb ischemia can permanently damage tissues within hours and requires urgent evaluation.

Sudden shortness of breath, chest pain, fainting or coughing up blood may signal pulmonary embolism or another serious condition and also require emergency care.

New unilateral leg swelling with pain, warmth or tenderness may indicate deep vein thrombosis. Seek prompt same-day medical assessment rather than attempting home treatment.

Persistent foot pain at rest, new nonhealing wounds or signs of gangrene also require urgent medical evaluation, even if symptoms developed gradually.

Can Walking Improve Poor Circulation?

Walking supports cardiovascular fitness and helps activate the calf muscles that assist venous return from the lower legs.

For many people with stable peripheral artery disease, supervised exercise therapy or an appropriately structured community-based walking program is an evidence-based treatment that can improve walking performance and quality of life.

However, a walking program should be matched to the underlying condition. People with suspected acute arterial obstruction, a new possible blood clot or limb-threatening ischemia should seek medical evaluation rather than trying to walk through concerning symptoms.

For otherwise stable individuals, practical movement habits include taking regular walking breaks, avoiding prolonged sitting and standing without movement, and gradually increasing activity as tolerated.

Walking is valuable, but it does not mechanically clean plaque from arteries or guarantee that narrowed vessels will return to normal.

How Can Nutrition Support Healthy Blood Vessels?

A food-first approach can improve the cardiovascular risk factors that contribute to arterial disease and support broader metabolic health.

A balanced eating pattern should emphasize vegetables, fruits, legumes, nuts, seeds, minimally processed whole grains and appropriate protein sources.

Replacing excess saturated fat with unsaturated fats can help lower LDL cholesterol. Soluble fiber from oats, beans, barley and other foods can provide additional LDL-lowering benefits.

Fish and other appropriate sources of omega-3 fatty acids may contribute to nutritional adequacy. Whole-food dietary patterns also provide potassium, magnesium and other nutrients involved in normal cardiovascular function.

People with high blood pressure may benefit from reducing excessive sodium intake, while those with diabetes or insulin resistance should consider the quality and quantity of carbohydrates alongside their overall dietary pattern.

Nutrition is an important component of preventing and managing cardiovascular disease, but it does not replace urgent evaluation of concerning symptoms or established treatment for peripheral artery disease.

What About Hydration, Sleep, Stress and Daily Movement?

A whole-person approach considers more than cholesterol and blood pressure.

Hydration: Adequate fluid intake supports normal physiological function. However, drinking extra water does not reopen narrowed arteries, dissolve blood clots or treat venous insufficiency. People with heart or kidney conditions may have specific fluid recommendations.

Sleep: Consistent, sufficient sleep supports cardiovascular and metabolic health. Sleep apnea and persistent sleep disruption may deserve medical evaluation when other risk factors are present.

Stress: Stress affects nervous-system activity, blood pressure and behavior. Managing it can support healthy routines, though stress reduction alone is not a treatment for established arterial blockages.

Movement: Frequent muscle activity helps reduce prolonged inactivity and supports overall vascular health. For people with venous symptoms, gentle ankle movement and walking may assist venous return.

Smoking avoidance: Avoiding tobacco is especially important. Smoking damages blood vessels and is strongly associated with peripheral artery disease and adverse limb outcomes.

These foundations work together. Their purpose is to improve long-term cardiovascular health, not to promise immediate reversal of every circulation problem.

Can Supplements Help Support Circulation?

Targeted supplements can be useful when they address a specific nutritional need or support an appropriate wellness objective. However, the phrase circulation support should not be interpreted as evidence that a supplement treats peripheral artery disease, removes arterial plaque, dissolves clots or repairs incompetent vein valves.

For established PAD, guideline-directed care includes cardiovascular risk reduction, appropriate medications, smoking cessation and structured exercise therapy. Severe disease may require vascular procedures.

Supplements should be considered within that broader context, with attention to medical conditions, current medications and potential interactions.

Relevant Total Health Secrets Products

Total Health Secrets offers products intended for cardiovascular and general nutritional support. The following selections have been verified against their current product listings. They are supportive options rather than treatments for diagnosed vascular obstruction.

EPA/DHA Marine — Omega-3 Nutritional Support

EPA/DHA Marine is a fish oil product providing the omega-3 fatty acids EPA and DHA.

These fatty acids contribute to normal cellular function and may help address dietary omega-3 intake when fish consumption is insufficient. Prescription omega-3 formulations have defined roles in certain triglyceride disorders, but ordinary over-the-counter fish oil has not been established as a treatment for PAD symptoms or blocked arteries.

People taking anticoagulants or other medicines should review supplement use with a healthcare professional, especially when considering higher doses.

Premier B.P. Complex — Botanical Cardiovascular Support

Premier B.P. Complex contains a combination of botanicals, including garlic extract, hawthorn, olive leaf, beet and other plant ingredients.

Such ingredients are commonly studied or used for general cardiovascular wellness. However, evidence for an individual botanical cannot automatically be extended to the complete formula, and the product has not been established as a treatment for peripheral artery disease, venous insufficiency or blood clots.

Because botanical ingredients may affect blood pressure or interact with medications, individuals using antihypertensive or antithrombotic treatments should obtain professional guidance before combining products.

The most effective supplement plan is individualized. When nutrients are already adequate or no meaningful indication exists, additional supplements may provide little benefit.

A Practical 10-Step Plan for Better Circulation and Vascular Health

A sustainable plan begins with identifying the cause of symptoms and improving the cardiovascular factors that can be changed.

1. Recognize the symptom pattern. Notice whether discomfort occurs during walking, after standing, at night or without an obvious trigger.
2. Check for urgent warning signs. Sudden limb pain, coldness, major color change, new weakness or possible blood-clot symptoms require prompt medical attention.
3. Arrange appropriate evaluation. Persistent or recurring symptoms may justify vascular examination, ABI testing or venous ultrasound.
4. Know your cardiovascular risk factors. Review LDL cholesterol, blood pressure, diabetes status, smoking exposure and family history.
5. Follow an appropriate movement program. Walk regularly and consider structured exercise therapy when PAD has been diagnosed.
6. Improve food quality. Emphasize fiber-rich whole foods, unsaturated fats and adequate nutrients while limiting excess sodium and highly processed foods.
7. Avoid tobacco. Smoking cessation is among the most important interventions for people with peripheral artery disease.
8. Support venous return when appropriate. Avoid prolonged immobility and discuss leg elevation or compression with a clinician when venous disease is suspected.
9. Review medications and supplements. Identify unnecessary duplication, possible interactions and treatments that may affect swelling or blood pressure.
10. Monitor progress and follow up. Track walking ability, pain, swelling, skin changes and any wounds, and adjust the plan according to clinical findings.

Compression stockings may help certain venous conditions, but significant arterial disease should be assessed before substantial compression is used. Compression should not be chosen blindly for unexplained leg symptoms.

When Should You See a Healthcare Professional?

Arrange medical evaluation if you repeatedly develop leg pain during walking, notice a persistent temperature difference between your feet, experience unexplained swelling, or have symptoms that are worsening or interfering with daily life.

Additional reasons include persistent numbness, new skin discoloration, weak or absent foot pulses, unexplained leg weakness or a foot wound that does not heal normally.

People with diabetes, a smoking history, known cardiovascular disease or markedly elevated cholesterol should be especially attentive to new leg and foot symptoms.

Professional evaluation does not mean that every symptom is dangerous. It allows an appropriate distinction between vascular disease, nerve disorders and other common conditions.

Common Questions About Poor Circulation

What is the first sign of poor circulation in the legs?

There is no single first sign. Some people with peripheral artery disease notice leg fatigue, aching or cramping while walking, while others have no obvious symptoms. Venous problems may begin with ankle swelling or heaviness after standing.

Can you have poor circulation with warm feet?

Yes. Warm feet do not rule out vascular disease. Skin temperature varies, and some people with peripheral artery disease have few recognizable physical signs.

Does tingling always mean poor circulation?

No. Tingling frequently reflects nerve irritation or peripheral neuropathy. A clinical evaluation may be needed if symptoms persist, worsen or occur alongside other concerning changes.

Why do my legs feel heavy at the end of the day?

Leg heaviness may result from prolonged standing, venous insufficiency, swelling or other causes. Symptoms that consistently worsen with standing and improve with elevation can suggest a venous component, but are not diagnostic.

Can poor circulation cause swelling in both legs?

Yes, certain venous conditions can contribute to bilateral swelling. However, heart disease, kidney problems, medications and other systemic causes must also be considered.

Can you improve circulation without medication?

Physical activity, smoking cessation, balanced nutrition and appropriate weight management support vascular health. Some conditions, including stable venous insufficiency, may respond to lifestyle and compression measures. Diagnosed arterial disease may also require medication or vascular intervention to prevent serious complications.

How do doctors confirm poor circulation?

Tests depend on the suspected problem. An ankle-brachial index is commonly used for peripheral artery disease, while duplex ultrasound may assess veins, blood clots or arterial blood flow. Additional tests may evaluate nerve disorders or systemic medical conditions.

Can poor circulation be reversed?

Improvement is possible, but it depends on the cause. Structured exercise can improve walking ability in stable PAD, and appropriate venous management may reduce swelling and discomfort. Atherosclerotic disease requires sustained cardiovascular risk reduction, and some patients need revascularization. Not every vascular change is reversible.

A Better Definition of Circulation Support

Healthy circulation is not simply a matter of making the hands and feet feel warmer. It involves delivering blood where it is needed, returning it efficiently to the heart, maintaining healthy blood vessels and addressing the metabolic and cardiovascular conditions that influence long-term vascular health.

The most useful starting point is understanding the symptom pattern. Leg pain brought on by walking, swelling after standing and burning numbness may reflect very different processes. Each deserves an explanation appropriate to its cause.

Nutritious food, regular movement, restorative sleep, smoking avoidance and sensible metabolic care provide a strong foundation. Supplements may have carefully selected supportive roles, but they cannot substitute for diagnosing significant vascular disease or treating a dangerous blockage.

Better circulation begins with identifying what is actually happening in the arteries, veins and nerves—not treating every uncomfortable sensation as the same problem.

Explore Total Health Secrets health concerns and nutritional support options for broader wellness information, and work with an appropriate healthcare professional when circulation symptoms are persistent or concerning.

References & Further Reading

American Heart Association / American College of Cardiology — 2024 Guideline for the Management of Lower Extremity Peripheral Artery Disease
Comprehensive clinical recommendations for PAD symptoms, diagnosis, ankle-brachial index testing, exercise therapy, cardiovascular risk reduction and limb-threatening ischemia.
https://www.ahajournals.org/doi/full/10.1161/CIR.0000000000001251

American Heart Association — What Are the Symptoms of PAD?
Patient information describing intermittent claudication, temperature changes, skin changes and impaired wound healing.
https://www.heart.org/en/health-topics/peripheral-artery-disease/symptoms-of-pad

American College of Cardiology — 2024 Multisociety PAD Guideline: Key Points
Summary of evidence-based vascular diagnosis and management, including exercise and revascularization recommendations.
https://www.acc.org/latest-in-cardiology/ten-points-to-remember/2024/05/09/15/00/2024-guideline-for-lower-extremity-pad

Society for Vascular Surgery — Chronic Venous Insufficiency
Information on venous reflux, leg swelling, heaviness, skin changes and appropriate clinical evaluation.
https://vascular.org/your-vascular-health/vascular-conditions/chronic-venous-insufficiency

Cleveland Clinic — Chronic Venous Insufficiency
Detailed discussion of venous symptoms, leg elevation, exercise, compression and other treatment options.
https://my.clevelandclinic.org/health/diseases/16872-chronic-venous-insufficiency-cvi

National Institute of Diabetes and Digestive and Kidney Diseases — Peripheral Neuropathy
NIH patient information describing burning, numbness, tingling and other symptoms of peripheral nerve damage.
https://www.niddk.nih.gov/health-information/diabetes/overview/preventing-problems/nerve-damage-diabetic-neuropathies/peripheral-neuropathy

Centers for Disease Control and Prevention — About Venous Thromboembolism
Guidance on recognizing deep vein thrombosis and pulmonary embolism, including symptoms requiring urgent medical attention.
https://www.cdc.gov/blood-clots/about/index.html

Medical Disclaimer

This article is for educational purposes only and does not replace individualized medical assessment, diagnosis or treatment. Symptoms described as poor circulation may arise from arterial, venous, neurological or systemic conditions requiring different care. Sudden severe limb pain, coldness, discoloration, weakness, chest pain or shortness of breath may require emergency medical treatment. Do not stop prescribed cardiovascular medication, self-treat a suspected blood clot or delay evaluation of nonhealing wounds in favor of supplements or lifestyle remedies.