Patient guide

Compression stockings

Gentle squeeze, healthier veins.

Compression stockings help your leg veins move blood back toward the heart. They ease swelling, aching and heaviness from vein disease, and you may need them before or after a vein procedure. Here is how to choose the right strength and length, and how to put them on.

  • 20-30 mmHg for most people
  • Knee-high for vein disease
  • Put on in the morning
  • Replace every 3 to 6 months
Illustration: compression stockings
Tightest at the ankle
Graduated compression gently pushes blood up the leg.
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How compression stockings help

Leg veins have small valves that keep blood moving up toward the heart. When the valves weaken, blood pools in the legs. This causes varicose veins, swelling, aching and a heavy feeling, especially at the end of the day.

Graduated compression stockings are tightest at the ankle and get looser toward the knee and thigh. That gentle squeeze helps the veins push blood upward and keeps fluid from building up.

When they are used

  • To ease swelling, aching and heaviness from vein disease
  • Before a vein procedure. Many insurance plans ask for a trial of compression stockings before they cover treatment for varicose veins. We will tell you if yours does.
  • After a vein procedure, to help healing and reduce bruising and swelling
  • Sometimes after a blood clot in the leg (DVT), if your doctor recommends it
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Choosing the strength and length

Compression is measured in millimeters of mercury (mmHg). The higher the number, the firmer the squeeze.

  • 20-30 mmHg is what we recommend for most people. It works well and is comfortable enough to wear every day.
  • 30-40 mmHg also works very well, but these stockings are often hard to put on. Use them only if your doctor recommends it.
  • Knee-high stockings are right for most people with vein disease.
  • Thigh-high or pantyhose styles may be needed for some vein procedures. Confirm with your doctor which one you need before you buy.

Open-toe styles are easier for some people to put on and are cooler in warm weather.

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Getting the right fit

  1. 1Measure your legs in the morning, before swelling builds up.
  2. 2Measure around the narrowest part of the ankle and the widest part of the calf. For thigh-high styles, also measure around the upper thigh.
  3. 3Use the size chart for the brand you are buying. Sizes differ between brands.
  4. 4If you are between sizes or unsure, a medical supply store can measure you.
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Putting them on and wearing them

  • Put them on in the morning, when your legs are least swollen.
  • Turn the stocking inside out down to the heel, slip your foot in, then roll it up the leg. Rubber gloves help you grip.
  • Smooth out wrinkles. Do not roll or fold the top down; that can squeeze too tightly.
  • Wear them during the day and take them off at night, unless your doctor tells you otherwise.
  • Wash them by hand or on a gentle cycle and air dry. Replace them every 3 to 6 months, when they start to feel loose.
The best compression stocking is the one you will actually wear. If a 30-40 mmHg stocking stays in the drawer because it is too hard to put on, a 20-30 mmHg stocking you wear every day will help you more.
Fabio Komlos, MD, interventional radiologist · About Dr. Fabio Komlos
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When to be careful

Check with your doctor before you use compression stockings if you have peripheral arterial disease or poor circulation in your legs, diabetes with numb feet, open wounds or fragile skin on your legs, or heart failure.

Take them off and call us
if your toes turn pale, blue or cold, feel numb or tingly, or if the stockings cause pain or skin marks that do not go away. Call us at 650-404-8445.
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Where to buy

You can buy compression stockings at pharmacies, medical supply stores and online. Here are some easy options we have found; they are not endorsements, and not always the best product or lowest price. Buy from wherever is easiest for you.

As an Amazon Associate, Palo Alto Interventional earns from qualifying purchases.

Supplies for drains, tubes and back pain are on our home supplies page.

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Common questions

Do I need a prescription?
Not to buy 20-30 mmHg stockings online or in a store. Some insurance plans need a prescription to pay for them, so check with your plan.
How many hours a day should I wear them?
Usually all day while you are up and about, and off at night. After a vein procedure, follow the schedule on your discharge instructions.
Can I sleep in them?
Usually not needed. Take them off at night unless your doctor tells you otherwise, for example right after a procedure.
They are too hard to put on. What can I do?
Try rubber gloves, an open-toe style, or a donning aid (a frame that holds the stocking open). A lower strength you wear every day is better than a higher strength you skip.
Will compression stockings make my varicose veins go away?
No. They ease symptoms and can slow swelling, but they do not close the faulty veins. If symptoms continue, varicose vein treatment may help.

Written for patients by the Palo Alto Interventional team. General information only; your own plan depends on your health and imaging.

Talk to us about your options

Request a consultation online, or call 650-404-8445, Monday to Friday, 8 am to 5 pm. You can also ask your doctor to send a referral. We will review your imaging and help you decide whether a procedure makes sense.

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