Symptoms are where most people start, and they are genuinely useful — as long as they are treated as clues rather than answers. This section explains what each common leg and foot symptom can mean and where the line sits for getting it checked.
Read this first
None of these pages will tell you that you are safe. They describe possibilities and the thresholds for being seen. If something appeared suddenly, is getting worse, or involves one leg and not the other, go to When to Seek Care now.
Where your symptom probably fits
| What you notice | Often points toward | But also consider |
|---|---|---|
| Calf pain that starts after a set walking distance and eases with rest | Arterial narrowing (claudication) | Spinal stenosis, muscle or tendon problems |
| Heavy, aching legs that are worse by evening | Venous pressure | Prolonged standing, weight, medication |
| One leg newly swollen | Needs assessment today | Clot, cellulitis, injury, lymphatic obstruction |
| Both ankles swollen, better in the morning | Venous, or systemic | Medication, heart, kidney, liver, thyroid |
| Cold feet all the time | Often not arterial at all | Arterial disease, Raynaud’s, thyroid, nerve problems, simply being cold |
| Burning, numbness or pins and needles | Nerve involvement | Diabetes, B12, medication, spinal causes; can coexist with PAD |
| A sore that will not close | Needs assessment within days | Arterial, venous, pressure, infection, or several at once |
| Skin browning or hardening above the ankle | Long-standing venous pressure | Chronic swelling of other causes |
| Pain in the forefoot at rest, worse lying flat | Advanced arterial disease — see someone promptly | Neuropathic pain, inflammatory conditions |
Symptom guides
- Leg pain when walking: circulation and other possible causes
- A foot or leg wound that will not heal
- Cold feet: common causes and when to get checked
- Heavy, aching legs at the end of the day
- Red, blue, pale or purple feet: what color changes can mean
- Burning or numb feet: where to start
Three patterns worth learning
- Better with elevation, or worse? Vein and lymphatic problems generally ease when the leg is up. Arterial pain at rest classically does the opposite — people hang the foot over the side of the bed because gravity helps push blood into the foot.
- Brought on by walking, or by standing still? Arterial symptoms track with demand, so they appear while walking and settle when you stop. Venous symptoms track with time upright, so standing still is often the worst of all.
- One leg or two? Two legs behaving the same way suggests something systemic or postural. One leg behaving differently from its neighbor suggests something local, and raises the urgency.
Common questions
Can I work out what I have from my symptoms alone?
You can usually narrow it down, which is genuinely useful for the appointment. You cannot confirm it. Arterial disease, vein disease and nerve problems overlap heavily and frequently coexist, and the tests that separate them are quick and widely available.
My symptoms come and go. Does that make them less serious?
Not necessarily. Claudication comes and goes by definition — it appears with walking and disappears with rest — and it is still a marker of arterial disease and of raised cardiovascular risk. Intermittent does not mean minor.
I have several of these symptoms at once. Which one matters?
Often more than one system is involved, particularly in people with diabetes. Take the whole list to the appointment rather than choosing. The combination is usually more informative than any single item.
Are cold feet a sign of poor circulation?
Sometimes, but it is a weak sign on its own. Plenty of people with entirely normal arteries have cold feet, and plenty of people with significant arterial disease have warm ones. Cold feet plus a change in color, a wound, or pain on walking is a different matter and deserves a check.
Sources
- National Heart, Lung, and Blood Institute. Peripheral Artery Disease — Symptoms.
- Society for Vascular Surgery. Chronic Venous Insufficiency.
- NHS. Oedema.
- National Institute of Neurological Disorders and Stroke. Peripheral Neuropathy.
Written by Tom Biernacki, DPM, FACFAS. Published 20 September 2026. General education, not medical advice.