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Spider veins or varicose veins on the legs? Why they require a different approach

spider veins on legs · varicose veins · reticular veins · symptom assessment · consultation

Spider veins are small, visible blood vessels that often form a flat, web-like pattern. Varicose veins are larger, dilated veins that may bulge beneath the skin. The type of vessel, symptoms and findings of a medical examination influence the choice of treatment. [1, 2]

We explain when venous blood flow assessment is necessary, the role of sclerotherapy, and why EVLA and laser treatment applied through the skin are different procedures.

Leg vein assessment and treatment eligibility Spider veins vs varicose veins – differences

Author: Dr Arthur Abbazov – phlebologist.

Medical review: Piotr Rak, MD, PhD.

Key information at a glance

  • Spider veins are often a cosmetic concern. Any accompanying symptoms should be discussed with a doctor.
  • Visible varicose veins may require assessment of the venous system. Swelling, pain and skin changes are also important.
  • Doppler ultrasound is not routinely necessary for every case of asymptomatic spider veins. A consultation and Doppler ultrasound of the leg veins are required before EVLA.
  • The treatment method must match the vessel type and medical indications. The general term “laser treatment for the legs” does not specify which procedure is involved.

What is the difference between spider veins, reticular veins and varicose veins?

Spider veins, also called telangiectasias, resemble thin branches or a network of small blood vessels. The everyday expression “broken capillaries” usually refers to these dilated vessels. Larger reticular veins may also be visible. Varicose veins may be clearly raised and twisted. [1, 2, 3]

Their typical appearance can help you describe the problem to your doctor
Type of vein Typical appearance Clinical significance
Spider veins Thin red, blue or purple vessels, often forming a flat network. Often mainly a cosmetic concern. Symptoms and the extent of changes influence further assessment.
Reticular veins Veins larger than spider veins, forming a visible network beneath the skin. The doctor assesses their relationship with other vessels and whether treatment is indicated.
Varicose veins Dilated, twisted veins that may bulge beneath the skin. Assessment includes symptoms, examination of the legs and blood flow diagnostics when indicated.

These changes may occur together. A photograph or the colour of a vein cannot show how blood flows throughout the venous system. Choosing appropriate treatment requires assessment of the patient.

Which symptoms should you report during a consultation?

Tell the doctor how long the veins have been visible and whether you experience:

  • pain, heaviness or a burning sensation in the legs;
  • swelling around the ankles or lower legs;
  • itching, skin discolouration or other skin changes;
  • a wound that is difficult to heal or bleeding from a blood vessel.

Previous procedures, thrombosis, pregnancy, medications and coexisting conditions are also relevant. The doctor interprets the appearance of the veins and symptoms together with the examination findings. [1, 7]

Sudden pain and swelling in one leg require urgent medical assessment. If you experience shortness of breath or chest pain, call emergency services on 112 or 999. Do not wait for a routine consultation. [6]

Is Doppler ultrasound always necessary for spider veins on the legs?

For spider veins or reticular veins without symptoms, routine Doppler ultrasound is not recommended solely because these vessels are present. The doctor determines whether the examination is indicated based on the clinical findings. Bleeding or significant symptoms may require a more detailed assessment. [3]

In patients with symptomatic varicose veins, duplex Doppler ultrasound helps identify abnormal blood flow and plan management. A consultation and Doppler ultrasound of the lower limb veins are essential before EVLA. Small spider veins alone are not an indication for laser closure of a main superficial venous trunk. [1, 3, 4]

How is treatment selected for small blood vessels and varicose veins?

The decision depends on the type of vessel, symptoms, skin condition and medical indications. Not every visible vein requires a procedure. When treatment is appropriate, the doctor discusses the available options, benefits and risks.

Sclerotherapy

Used for selected small blood vessels and varicose veins. A substance injected into the vessel causes it to close. The doctor determines the treatment scope and number of sessions.

Transcutaneous laser treatment

Targets selected blood vessels through the skin. It is one method of treating small superficial vessels. Availability of this procedure should be confirmed with the chosen clinic.

EVLA – laser treatment inside the vein

Used to close a selected incompetent vein, such as a main superficial venous trunk. It requires appropriate medical assessment. It is not intended to treat every spider vein visible on the skin.

Sclerotherapy and transcutaneous procedures act on blood vessels differently from EVLA, which involves inserting an optical fibre into the vein. [2, 4, 5]

The term “laser” refers to different procedures. Removing skin lesions with a CO2 laser is a separate treatment. When asking about leg vein treatment, specify whether you are concerned about small vessels, bulging varicose veins or symptoms.

After treatment, the appearance of the vessels may change gradually. Additional sessions may sometimes be needed, and new vessels may also develop. Discuss the treatment plan and expected results before the procedure. [5]

Information about EVLA and treatment eligibility is available on our endovenous laser treatment of lower limb varicose veins in Gdańsk page.

Can physical activity and compression help?

Regular physical activity, breaks from prolonged sitting or standing, and resting with your legs elevated may help relieve symptoms. If compression therapy is indicated, a specialist should select the appropriate garment and explain how to use it. These measures do not automatically remove visible blood vessels. [2, 7]

Frequently asked questions about spider veins and varicose veins on the legs

Do spider veins on the legs always mean that larger varicose veins are present?

No. They may occur on their own or alongside other venous changes. Their presence alone does not establish the extent of a problem without assessing the patient.

Are spider veins dangerous?

They are often mainly a cosmetic concern. Pain, burning, swelling, bleeding or skin changes should be reported to a doctor. Sudden symptoms require urgent assessment.

Is Doppler ultrasound always required before spider vein removal?

Routine ultrasound is not recommended for asymptomatic spider veins alone. The doctor determines whether it is needed. Doppler ultrasound of the leg veins is necessary before EVLA.

Does EVLA remove spider veins on the skin surface?

EVLA closes a selected incompetent vein from the inside. Small superficial vessels are assessed separately, and treatment is chosen according to the indications.

Can sclerotherapy treat spider veins?

Yes. It is one of the methods used for selected small blood vessels. Treatment eligibility, scope and availability of a particular procedure should be discussed during a consultation.

Do compression stockings remove spider veins?

When properly selected, they may help relieve symptoms. They do not replace procedures that close visible vessels. Discuss indications for compression therapy with your doctor.

Can a treatment method be selected based on a photograph?

A photograph may help describe the change. It does not replace medical history, examination of the legs or diagnostic tests when these are needed to establish a treatment plan.

Spider veins or varicose veins on the legs – where to start in Gdańsk?

At Wyspa Medycyny Przyjaznej, Dr Arthur Abbazov assesses patients and determines eligibility for varicose vein treatment. When booking, describe your concern and symptoms. If you are interested exclusively in treating small superficial vessels, confirm the scope of the consultation and available procedures.

A consultation and Doppler ultrasound of the lower limb veins are required before EVLA. The need for diagnostic tests in patients with spider veins alone is assessed individually.

Learn about EVLA eligibility assessment Book a consultation: 600 006 913

Wyspa Medycyny Przyjaznej · ul. Toruńska 15, Gdańsk.

Medical references

  1. NHS: Varicose veins. Spider veins, varicose veins and symptoms.
  2. American Academy of Dermatology: Leg veins. Small vessels, sclerotherapy and transcutaneous treatments.
  3. SVS/AVF/AVLS: 2023 guidelines for the management of varicose veins of the lower extremities, Part II. Sections 1.5.1–1.5.2: indications for duplex ultrasound in patients with spider veins and reticular veins.
  4. Nuffield Health: Endovenous Laser Ablation for Varicose Veins. The role of EVLA in treating incompetent veins.
  5. RadiologyInfo.org, ACR/RSNA: Sclerotherapy. Treatment of selected vessels and assessment of results.
  6. NHS: Deep vein thrombosis. Symptoms requiring urgent medical assessment.
  7. Society for Vascular Surgery: Varicose Veins. Symptoms, examination and supportive management.

This article is intended for educational purposes. Diagnosis, the scope of diagnostic testing and the treatment method are determined by the doctor after assessing the patient.