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Microsclerotherapy is a medical treatment used to treat thread veins, spider veins and small varicose veins. 

Thread veins are small blood vessels near the skin surface that can appear singularly or in clusters due to skin stress, especially in those who spend a lot of time standing. Typically, they affect the feet, ankles, legs, and occasionally the stomach after pregnancy. Those with Rosacea, may also develop red veins on their cheeks or nose due to skin inflammation. Although they are usually harmless, they can be aesthetically undesirable, and people affected by them usually want to remove them.

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How does it work?

Microsclerotherapy involves injecting a solution called a sclerosant into thread/spider or small varicose veins, leading to their collapse and eventual disappearance.

The sclerosant solution irritates the inner lining of the vein, causing it to seal shut and preventing blood from flowing through it. This process is similar to the body’s natural healing response when it forms a blood clot. Over time, the body breaks down the sealed vein and reabsorbs it, redirecting blood flow to healthier veins.

What areas can be treated?

Microsclerotherapy can be used to treat, thread veins, spider veins and small varicose veins on various parts of the body. However, it is commonly used veins on the legs, thighs, calves and ankles.

Other areas of the body that van be treated with microsclerotherapy can be:

  • Face - Particularly around the nose and cheeks
  • Chest
  • Arms

It is important to note that microsclerotherapy is not typically used to treat larger varicose veins or deeper veins that are causing significant medical issues.

Is there any downtime?

Microsclerotherapy is a minimally invasive procedure and most people do not experience significant downtime after the treatment, However, there may be some mild effects that can impact daily activities for a few days after the procedure. Some common side effects may be:

  • Mild pain, tenderness or cramping
  • Swelling or bruising
  • Hardening or lumps
  • Temporary discolouration of the skin

Most people are able resume normal activities immediately after the procedure, but it is recommended to avoid some activities such as strenuous exercise or prolonged standing/sitting for a few days following the procedure. You may also be advised to wear compression garments for a few days to prevent blood clots.

It is important to follow the aftercare instructions given to you by your practitioner.

Is it safe?

Microsclerotherapy is generally a safe and effective procedure for treating thread/spider and small varicose veins. It has been used for many years and has a low risk of complications when performed by an experienced medical practitioner.

Like with any procedure, microsclerotherapy is not completely risk free. The level of risk involved should be discussed with your practitioner who will provide you with the potential risks and benefits of the procedure.

Is it painful?

Microsclerotherapy can cause some mild discomfort during and after the procedure, but it is generally well-tolerated by most people.

During the procedure, you may feel a mild stinging sensation at the injection site as the sclerosant solution is injected into the veins. You may also experience a cramping or aching sensation in the treated area as the solution works to seal the veins shut.

After the procedure, you may experience some soreness, tenderness or bruising in the area. These symptoms typically subside in a few days to a week.

Am I a good candidate?

Microsclerotherapy may be a suitable treatment option for individuals who have thread/spider or small varicose veins that are causing cosmetic concerns or mild symptoms, such as pain, swelling or itching. Generally, good candidates for microsclerotherapy have:

  • Veins that a less than 3mm in diameter
  • A relatively small number or veins to be treated
  • Good overall health

Microsclerotherapy may not be suitable for individuals who:

  • Have large varicose veins that are causing significant medical issues
  • Are pregnant or breast-feeding
  • History of allergies or sensitivities to sclerosant solutions
  • History of blood clotting disorders

It is important to discuss your medical history with your practitioner so that they can determine if you are a good candidate for microsclerotherapy treatment.

Alternative treatments

There are several alternative treatments to microsclerotherapy for the treatment of thread/spider and small varicose veins, depending on the severity and location of the veins, as well as medical history. Some alternative treatments may be:

  • Laser therapy
  • Radio-frequency treatments
  • Sclerotherapy with foam (for larger, deeper veins)
  • Vein stripping surgery

It is important to discuss your skin concerns and goals with your practitioner in order to determine the best treatment plan for you.


The results of microsclerotherapy can vary depending on the extent and severity of the veins being treated

It typically takes several weeks or months for the full effects of microsclerotherapy to become visible and multiple sessions may be requires to achieve the optimal results. However, in general most people can expect to see a significant improvement in the appearance of their veins following the procedure, as well as smoother more even skin tone in the treated area.

Book Now

Or Call On 0333 300 2979

Any Questions?

Simply book a consultation at one of our locations below and we can address any concerns you may have, to help advise you on the best course of treatment for your individual needs, please do not hesitate to get in touch.

Our Locations
VIDA Woodside

1 Pacific Road



CH41 1LJ

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VIDA South Road

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Venturi Cardiology

720 Birchwood Boulevard



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Total Fitness

53 Liverpool Rd



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