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Compression stockings
Compression stockings are elastic garments that apply more pressure at the ankle and less higher up the leg, to help blood flow back to the heart. They relieve heaviness and swelling, help control venous insufficiency, are part of the treatment of ulcers and thrombosis and are used after several procedures. They are not all the same: the pressure level, length and size are prescribed by the doctor.
In summary
- They help blood flow upward and reduce swelling and heaviness.
- There are different lengths and pressure levels; the right one is chosen for each case.
- They are measured and prescribed by the doctor; they are not suitable for everyone.
- They do not remove varicose veins: they relieve symptoms and support treatment.
How do they work?
They apply gradual pressure: higher at the ankle and lower as they go up. That pressure helps the veins and calf muscles push blood upward and keeps it from pooling.
What are they used for?
- Heaviness and swelling from varicose veins or venous insufficiency.
- After sclerotherapy or endovenous treatments.
- Treatment and prevention of venous ulcers.
- Follow-up of a thrombosis and prevention of its after-effects.
- Management of lymphedema.
- Pregnancy, jobs that involve standing or long trips, when the doctor recommends it.
Types
- By length: knee-high, thigh-high or pantyhose style.
- By pressure level, measured in mmHg: for example light (15 to 20), moderate (20 to 30) or strong (30 to 40).
- Custom-made stockings exist for special cases.
The right level and length depend on the diagnosis, your symptoms and the shape of your leg.
How to choose them
- They should be prescribed by the doctor, after assessing the veins and, if necessary, the arteries.
- Measurements of the ankle, calf and thigh should be taken, preferably in the morning, when the leg is least swollen.
- The size must be right: a stocking that is too loose does not help and one that is too tight can be uncomfortable.
How to put them on and care for them
- Put them on when you get up, before your leg swells.
- Smooth them out with no wrinkles or folds and do not roll down the top edge.
- Rubber gloves and donning aids make them easier to put on.
- Wash them following the manufacturer's instructions and let them dry in the shade.
- They lose firmness with use and washing: they are usually replaced every 4 to 6 months, approximately.
- Do not sleep in them, unless your doctor says so.
Precautions
Not everyone can wear them. Before prescribing them, the doctor rules out problems such as significant arterial disease, severe skin infections or some heart conditions. Take the stockings off and see your doctor if you feel pain, numbness, tingling or color changes in your toes.
When to seek urgent care
- A cold, pale or purple foot, or severe pain with the stockings on.
- Sudden swelling of one leg with pain and warmth.
- Wounds, blisters or redness on the skin under the stocking.
Frequently asked questions
Do stockings cure varicose veins?
No. They relieve heaviness and swelling and help keep them from getting worse, but varicose veins can only be treated with procedures.
How many hours a day should I wear them?
It depends on your doctor's instructions. The usual approach is to wear them during the day, from the time you get up until you go to bed.
Can I buy them without a prescription?
They are sold in pharmacies and specialty stores, but it is better for the doctor to indicate the type and pressure, and for the measurements to be taken properly.
Are they useful for long trips?
They can help reduce swelling and heaviness. Ask first if you have a history of thrombosis.
Are they used during pregnancy?
They are often recommended to relieve heaviness and swelling. The doctor indicates the right type.
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Book via WhatsAppThe information on this page is general and for guidance only. It does not replace a medical consultation. If you have a warning sign, go to the emergency department. The pages are written for patients in Colombia; consultations are in Spanish.
Last updated: October 15, 2026