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Published on
February 12, 2026
In most cases, varicose veins are not dangerous. However in some people, they can lead to complications if left untreated. Varicose veins a common vascular condition characterised by swollen, twisted veins typically appear in the legs, although they can also be visible on other parts of the body. Varicose veins are often considered a cosmetic concern rather than a health concern, however they can sometimes raise questions about their potential risks and dangers.
Varicose veins are usually not dangerous, but they are not purely cosmetic either, and for some people they can be quite uncomfortable.
They occur when the veins are unable to circulate blood as effectively as they should, which can lead to symptoms such as aching, heaviness, throbbing, swelling, and tiredness in the legs. For many people symptoms are mild, but others may find the discomfort more noticeable, especially after long periods of standing or sitting. In some cases, untreated vein problems can gradually lead to skin changes or other complications, so ongoing symptoms like persistent discomfort, swelling, or skin irritation are worth having checked by a professional.
Varicose veins can sometimes be associated with discomfort, pain, and more severe complications, so it is essential to understand the potential dangers associated with this condition and know when to reach out to a medical professional.
If you are wondering when to worry about your varicose veins, it’s best to speak to a medical professional first, they will be able to determine if your veins have developed into anything more serious.
Persistent aching, throbbing, or heaviness in the legs that interferes with daily life might be a sign of an underlying issue that shouldn't be ignored.
Ongoing swelling around the ankle or calf, particularly if it doesn’t improve with rest or elevation, may indicate worsening venous insufficiency.
Darkening of skin, or changes to texture can be a sign of an underlying issue with blood flow. Over time, this can lead to venous leg ulcers which require active management and treatment.
Itchy varicose veins are usually not dangerous and are often caused by skin irritation from pooled blood or changes in circulation. However, frequent scratching can damage the skin and increase the risk of infection.
It is possible, although rare, for varicose veins to rupture, particularly when they become severely enlarged and weakened. This can be painful and may result in localised bleeding, as the rupture allows blood to leak into the surrounding tissue. While a burst varicose vein can be uncomfortable and concerning, it is not generally considered life-threatening. However, we strongly recommend seeking immediate medical attention to manage the bleeding and prevent further complications.
Another concern associated with varicose veins is the potential development of blood clots, known as deep vein thrombosis (DVT). Although varicose veins do not usually directly cause DVT, they may contribute to its development in some cases. This is because varicose veins can slow blood circulation in the legs, increasing the risk of clots forming in the deeper veins. If a clot develops, it may break loose and travel to the lungs, resulting in a pulmonary embolism, a serious and potentially life-threatening condition.
While the overall risk of DVT and pulmonary embolism linked to varicose veins remains relatively low, it is important to stay alert to symptoms such as swelling, warmth, redness, or persistent leg pain. If you experience any of these signs, prompt medical attention is essential.
A dangerous varicose vein does not always look dramatically different, but certain visible changes can signal a more serious problem. Warning signs include significant swelling, redness or warmth around the vein, skin that becomes darkened or hardened, the development of open sores, or sudden bleeding. In some cases, a vein may feel firm, tender, or unusually painful to touch. If you notice any of these changes, particularly if they appear suddenly or worsen quickly, it’s important to seek medical assessment promptly.
Yes, you can live a long and healthy life with varicose veins. In most cases, varicose veins are not life-threatening and do not affect life expectancy, particularly when monitored and managed appropriately.
While varicose veins can cause symptoms such as discomfort, swelling, or skin changes over time, serious complications are relatively uncommon, and many people live for decades with varicose veins without significant health problems. When symptoms do become troublesome, a range of safe and minimally invasive treatments is available, and seeking medical advice can help ensure the condition remains well controlled and manageable.
You cannot always stop varicose veins from progressing completely, but it is often possible to slow their progression and manage symptoms. Early management and simple measures to support circulation can help reduce discomfort and lower the likelihood of the condition worsening over time.
Gentle, everyday habits can make a meaningful difference in slowing progression and keeping symptoms comfortable. Staying reasonably active, managing weight, and giving your legs regular breaks from long periods of sitting or standing all help support healthy circulation. Some people also find that elevating their legs or wearing compression stockings, if recommended, can ease swelling and reduce strain on the veins.
If symptoms do begin to change or become more noticeable, seeking medical advice early can help keep the condition under control. Modern treatments are safe, minimally invasive, and very effective, so in most cases varicose veins can be managed well over the long term.
You should see a vein specialist if your varicose veins are causing persistent pain, swelling, skin changes, or affecting your daily quality of life. While many varicose veins are harmless, ongoing or worsening symptoms are a clear sign that a professional assessment would be beneficial.
A vein specialist can help clarify what is causing your symptoms and whether they relate to underlying vein function or are mainly a surface concern. In many cases, an assessment simply provides reassurance and advice on how to keep symptoms comfortable. It is sensible to seek guidance if you notice persistent leg heaviness, changes in the skin, swelling in one leg, or bleeding from a vein, or if you have a history of blood clots, as these situations benefit from professional review. The good news is that modern vein treatments are safe, minimally invasive, and highly effective, and consultations are usually focused on improving comfort, maintaining leg health, and preventing problems from developing over time.
Get in touch with us now for advice on varicose veins.
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Varicose veins can be painful and make it difficult to exercise and be active
We're pleased to be able to provide our world-class varicose vein treatment in a variety of places throughout the United Kingdom. Learn more about your treatment options, including endovenous radio-frequency ablation (EVRF) and foam sclerotherapy, at the clinic closest to you.
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