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Not all visible leg veins are the same, and identifying the type is the first step in choosing the right treatment.
For many people, spider veins are mainly a cosmetic concern. For others, they can be accompanied by aching, heaviness or itching, or may sit alongside larger reticular or varicose veins.
As vascular and endovascular surgeons, our usual approach is to look at the whole picture before treating the surface. Where clinically appropriate, we assess whether there is any underlying venous reflux — where vein valves are not working efficiently and blood pools in the leg — that may be contributing to visible veins. A focused assessment, which can include a duplex ultrasound scan, helps us recommend treatment that takes into account the underlying picture where relevant, not only the surface appearance. In many cases no significant underlying problem is found and treatment can focus purely on the cosmetic result.
| Vein Type | Typical Appearance | Common Symptoms | Usual Treatment Approach | When Further Assessment May Be Recommended |
|---|---|---|---|---|
| Spider veins (telangiectasias) | Very fine red, blue or purple lines in a web or branch pattern, just under the skin | Often none; some notice mild itching, burning or self-consciousness about appearance | Micro-sclerotherapy; surface laser or ohmic thermolysis for the finest vessels | If clustered widely, recur quickly, or appear alongside reticular/varicose veins or leg symptoms |
| Reticular veins | Bluish-green veins, slightly larger and a little deeper; may feed nearby spider veins | Usually mild; occasional aching or local discomfort | Micro-sclerotherapy or foam sclerotherapy | If they feed spider veins, or are linked to leg heaviness or swelling |
| Varicose veins | Larger, raised, rope-like or bulging veins | Aching, heaviness, swelling, itching or skin changes in some cases | Endovenous treatment and/or phlebectomy, sometimes with sclerotherapy; assessment of underlying reflux is important | An ultrasound assessment of the deeper venous system is often recommended |
If varicose veins are part of the picture, you can read more about varicose veins treatment in Singapore.
Various factors contribute to the development of spider veins. Primarily, they occur when valves within the veins weaken, leading to blood pooling and vein dilation. Several factors enhance the risk of developing spider veins, including:
Understanding these factors is important in preventing new spider veins and deciding the appropriate treatment option.
Several treatments can address spider veins and small surface veins. The right choice depends on the type and size of the veins, your symptoms, and whether any underlying venous reflux is identified during assessment. Treatments are often combined.
Harley Street Vascular’s Blue-Light Activated Microfoam Sclerotherapy Approach
At Harley Street Vascular, spider vein treatment may involve a combination of Blue-Light Activated Sclerotherapy and Microfoam Sclerotherapy, depending on the size, depth and pattern of the visible veins.
Blue-Light Activated Sclerotherapy is a technique developed by Harley Street Vascular to support targeted treatment of fine spider veins and small surface vessels. It helps the surgeon identify and treat delicate veins that may be difficult to target with direct visual assessment alone.
Microfoam Sclerotherapy uses a low-concentration sclerosant prepared as a fine microfoam, allowing closer contact with the vein wall. This helps the treated vessel close and gradually fade over time.
In suitable cases, both methods may be combined to support treatment precision and more consistent cosmetic improvement. Your vascular surgeon will assess whether this approach is appropriate based on your vein type, symptoms and whether any underlying venous reflux is present.
Several treatment options are available, ranging from minimally invasive techniques to surgery. The most suitable approach depends on your duplex scan findings, the veins involved, your symptoms and your preferences. The descriptions below explain each option in balanced terms. Final recommendations are made after consultation and duplex assessment.
| Used For | A fine needle is used to inject a sclerosant or low-concentration microfoam into small vessels, helping them close and gradually fade. At Harley Street Vascular, this may be combined with Blue-Light Activated Sclerotherapy where suitable. |
| Best-suited Vein Type | Spider veins and small reticular veins |
| Typical Sessions | Often more than one, spaced a few weeks apart |
| Downtime | Minimal; usually same-day return to activities, with compression as advised |
| When Results Show | Veins fade gradually over several weeks to months |
| Recurrence | Treated veins fade, but new veins can develop over time |
| Reflux Check First | Advisable if larger feeding veins, symptoms or extensive veins are present |
| Used For | Sclerosant agitated into a foam for greater contact with the vein wall; may be ultrasound-guided for deeper veins |
| Best-suited Vein Type | Larger reticular veins and smaller varicose or feeder veins |
| Typical Sessions | Variable; may need more than one |
| Downtime | Minimal; compression advised |
| When Results Show | Weeks to months |
| Recurrence | Treated veins can improve, but new veins may develop over time. If underlying reflux is present, this should usually be considered before treatment. |
| Reflux Check First | Often relevant, especially for larger or deeper veins |
| Used For | Veins physically removed through tiny punctures using a fine hook, under local anaesthesia |
| Best-suited Vein Type | Larger surface veins too big for sclerotherapy |
| Typical Sessions | Usually one per treated area; sometimes combined with an endovenous procedure |
| Downtime | Short recovery; bruising possible; compression for a period |
| When Results Show | Treated veins are removed at the time of the procedure |
| Recurrence | The treated segment is removed; any underlying reflux should be managed |
| Reflux Check First | Usually assessed, particularly when bulging veins are present |
| Used For | Laser energy applied through the skin to target very fine vessels |
| Best-suited Vein Type | The finest spider veins; useful where a vein is too small to inject |
| Typical Sessions | Often more than one |
| Downtime | Minimal; temporary redness or pigmentation possible |
| When Results Show | Gradual |
| Recurrence | New vessels can appear over time |
| Reflux Check First | For leg veins, larger feeders are best excluded first |
| Used For | A very fine probe delivers controlled thermal energy to coagulate tiny vessels |
| Best-suited Vein Type | The smallest telangiectasias and vessel ‘matting’ where injection or laser is less effective |
| Typical Sessions | Often more than one |
| Downtime | Minimal |
| When Results Show | Gradual |
| Recurrence | New vessels can appear over time |
| Reflux Check First | Larger contributing veins should be excluded first where relevant |
For full details of the two procedures most commonly used for leg veins, see the Micro-sclerotherapy and Needle Phlebectomy sections on this page.
Spider vein treatments in Singapore address cosmetic enhancement and physical discomfort associated with the condition. Indications for treatment include:
Many people seek treatment to improve the appearance of spider veins, which can be prominent in visible areas like the legs and face.
Insurance providers in Singapore typically don’t cover spider veins treatments as they are considered cosmetic procedures aimed at improving appearance rather than addressing medical concerns.
Symptoms such as aching, throbbing, itching, or burning sensations in the affected areas can prompt the need for treatment.
Treating spider veins can help prevent the development of more significant venous issues.
Micro-sclerotherapy is a leading treatment for spider veins and small varicose veins. It uses a sclerosing solution to close off these unsightly vessels. The technique involves injecting a sclerosing solution directly into the affected veins using a very fine needle. This causes the walls of the veins to stick together, eventually turning the vein into scar tissue that fades over time.
We specifically use a special Varixo microfoam technique that allows us to inject very fine low concentration sclerosant microfoam and sometimes combine this with activation of the veins with blue light for better sclerosant action. This reduces the risk of complications and provides a better cosmetic result.
The micro-sclerotherapy procedure is designed to provide a minimally invasive solution for spider vein removal.
Although micro-sclerotherapy is deemed safe, some people may experience minor side effects, such as:
These effects are typically temporary, fading within a few days to weeks. Most patients can return to their daily routines immediately, with minimal downtime.
Needle phlebectomy, also known as microphlebectomy or ambulatory phlebectomy, is a minimally invasive surgical technique for removing larger spider veins. Unlike micro-sclerotherapy, which involves injecting a solution into the veins, needle phlebectomy involves physically removing the veins through tiny needle-point punctures in the skin.
This procedure is particularly effective for veins that are too large for sclerotherapy but too small for more invasive surgical treatments. It’s performed under local anaesthesia, and the patient can usually return to normal activities shortly after the procedure.
The needle phlebectomy procedure is a detailed method aimed at removing problematic veins with precision and minimal discomfort. This is usually performed in combination with an endovenous procedure, but also sometimes in the out-patient setting under local anaesthesia.
Possible side effects of needle phlebectomy include:
These side effects typically resolve on their own within a few weeks. The procedure’s efficacy improves the appearance of the skin and can alleviate symptoms associated with venous insufficiency.
Preparing for either micro-sclerotherapy or needle phlebectomy involves several steps to ensure the safety and effectiveness of the procedure.
Micro-sclerotherapy and needle phlebectomy are both effective treatments for spider veins and small varicose veins, but they have distinct differences in their approach, suitability, and recovery process.
The recovery process for both micro-sclerotherapy and needle phlebectomy is generally straightforward, with patients able to resume most normal activities shortly after treatment. However, there are specific aftercare instructions that help ensure optimal healing and results:
Spider veins are fine vessels just under the skin’s surface, usually in a web or branching pattern. Varicose veins are larger, raised, often rope-like veins and are more likely to be associated with an underlying vein-valve problem. Reticular veins sit between the two in size. A consultation helps confirm which type you have and whether they are linked.
Not always. Many spider veins are a surface, cosmetic finding. An ultrasound, such as a duplex ultrasound scan, may be recommended when there are leg symptoms, larger or feeding veins, or signs that suggest underlying venous reflux. Your surgeon will advise whether it is needed in your case.
This varies with the number, size and distribution of the veins. Some people see good improvement after one session, while others need more, spaced a few weeks apart. A clearer estimate is possible after your initial assessment.
Most people describe only mild discomfort, often a brief stinging sensation as the fine needle and sclerosant are used. Because the needle is very fine, anaesthetic is usually not required for the injections themselves.
Spider veins generally fade gradually rather than disappearing immediately. Improvement is often visible over several weeks and may continue over a few months. Some bruising or discolouration in the early weeks is normal and usually settles.
Treatment can fade or remove the veins that are treated, but it does not stop new veins from forming. Factors such as genetics, hormonal changes and prolonged standing can contribute to new veins over time, which is why some people choose periodic top-up sessions.
Cost depends on the number and size of veins treated, whether one or both legs are involved, the treatment type, the number of sessions, whether an ultrasound is needed, and whether the treatment is cosmetic or medically indicated. A consultation allows for a personalised estimate.
There is no single best treatment for everyone. The most suitable option depends on the type and size of the veins, your symptoms, and whether any underlying venous reflux is found. Micro-sclerotherapy is commonly used for leg spider veins, while very fine vessels may respond better to surface laser or ohmic thermolysis, and larger veins may be better suited to phlebectomy. Your surgeon will recommend an approach tailored to you.
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