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Swollen, aching, heavy legsWhen your legs look fine but feel wrong.

Legs that ache, swell or feel heavy by the end of the day are worth explaining, even when there is nothing obvious to see.

The pattern

Symptoms and risk factors

What people notice, and what makes it more likely.

Symptoms

  • Swollen ankles by evening
  • Heaviness
  • Aching or throbbing
  • Night cramps
  • Restless or tired legs
  • Tight shoes or sock marks
  • Itching

Risk factors

  • Prolonged standing or sitting
  • Family history
  • Pregnancy and hormonal changes
  • Weight gain
  • Previous deep vein thrombosis
  • Long travel

Why this page exists

You can have the problem without the veins

Most people come to a vein clinic because of something they can see. Plenty of venous disease does not announce itself that way.

You can have symptoms of venous disease without visible varicose veins. Equally, varicose veins that look dramatic on the surface can be straightforward underneath, and quiet-looking legs can hide a significant problem. What a leg looks like is a poor guide to what is happening inside it.

If your legs are heavy by mid-afternoon, if your socks leave marks, if you get cramps at night or your ankles swell on a long day, that pattern is worth explaining rather than tolerating.

Being honest about causes

What else it can be

Veins are one cause of swollen, heavy legs, and they are the one we can assess here. They are not the only cause. Swelling can also come from the heart, the kidneys, the lymphatic system, medication, injury or infection, and some of those need a different doctor.

That is part of what an assessment is for. The scan and the consultation establish whether the veins explain your symptoms, and if they do not, you have ruled something out. [CLIENT TO CONFIRM: does the clinic want to state what it does when the assessment points away from a venous cause, for example referring back to the family doctor?]

Worth an appointment

When to see someone

Any one of these is reason enough to have your legs looked at.

  • Your legs swell most days, or by the end of most days.
  • They feel heavy, tired or achy without an obvious reason.
  • You get night cramps or restless legs.
  • Your work keeps you standing or sitting for long stretches.
  • Symptoms are worse in hot weather, or during pregnancy.
  • Compression helps, which is itself a clue worth following up.

Seek urgent medical care for sudden swelling, pain, warmth or redness in one leg. If it comes with chest pain or shortness of breath, seek emergency care immediately.

What an assessment involves

A painless scan maps the veins in your legs, your vascular surgeon reads it with you in the same visit, and you leave with a plan. Plenty of people leave with nothing that needs treating.

About the ultrasound assessment

What can be done

Treatment options

Which one applies to you depends on the scan, not on how your legs look.

A painless scan maps the veins in your legs and shows how blood is actually moving through them, and your surgeon reviews it with you in the same visit.

Graduated compression is strongest at the ankle and decreases up the leg, supporting the calf muscle pump and helping blood return toward the heart.

A laser closes a diseased vein from the inside, through a single entry point, under local anesthetic, in about one to two hours.

All vein treatments

Prevention and self-care

Looking after your legs

None of this replaces an assessment, and all of it helps.

Keep moving

Walking activates the calf muscle pump, which is what helps push blood back up out of your legs. A manageable walk you repeat beats an ambitious one you do once.

Interrupt long sitting or standing

The pump is idle when you are still. Break up a long stretch at a desk or on your feet rather than waiting for the end of the day.

Elevate when you rest

Giving your legs a lift helps ease symptoms at the end of the day.

Wear compression if it is recommended

Graduated compression supports the pump from the outside. It is measured and fitted in clinic: see compression and bracing for the fitting detail, or compression therapy for how it works.

Look after your skin

Moisturise dry skin and report new changes rather than watching them.

The vein clinic difference

One visit. Not two years.

Vein patients used to wait more than two years and make several trips before seeing a specialist. Integrating ultrasound testing with the surgeon consultation turned that into a single appointment.

  1. Step 1

    Ultrasound

    A certified ultrasonographer maps your veins and circulation prior to your consultation.

  2. Step 2

    Surgeon consult

    Your vascular surgeon reviews the results with you and explains what they mean.

  3. Step 3

    Your plan

    Treatment, compression therapy or prevention advice, based on your results.

In more depth

Further reading

Written by the team who treat it.

Swollen, aching, heavy legs, answered

Questions

The questions patients ask us most often.

My legs ache but I have no visible veins. Is it still worth coming in?

Yes. You can have symptoms of venous disease without visible varicose veins, and the scan is what tells you whether your veins explain how your legs feel.

Why are my legs worse at the end of the day?

Gravity. Pressure in the leg veins builds through the day when the calf pump is not clearing blood efficiently, which is why swelling and heaviness are usually worse by evening and better after a night lying down.

Does swelling always mean a vein problem?

No. Swelling can also come from the heart, kidneys, lymphatic system, medication, injury or infection. A vein assessment establishes whether your veins are part of it.

What can I do right now?

Keep moving, interrupt long periods of sitting or standing, elevate your legs when you rest, and ask about compression. None of that is a substitute for finding out what is going on.

When is leg swelling an emergency?

Sudden swelling, pain, warmth or redness in one leg needs urgent medical care. With chest pain or shortness of breath, seek emergency care immediately.

Is it just because I am on my feet all day?

Prolonged standing contributes, but it does not make the symptoms meaningless. If your job keeps you upright, that is a reason to have your legs assessed, not a reason to dismiss them.

Can compression help before I am assessed?

Often, yes, but compression is not appropriate for everyone and reduced arterial blood flow needs assessment first. Get measured properly rather than guessing a size online.

What will the appointment tell me?

Whether your veins are refluxing, which ones, and what the options are. Plenty of people leave with nothing that needs treating, and that is a good outcome.

Find out where you stand.

One visit: a scan, a vascular surgeon who reads it with you, and a plan you understand.

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