Varicose veins are swollen, enlarged veins. You can see and often feel them lying just under the surface of your skin, usually in your legs.
Although some people don’t like how varicose veins look, for most they don’t cause any symptoms or problems. If you do have symptoms, there is a range of treatments that can help.
Animation: How varicose veins form https://youtu.be/Ce2TjGY-r1o
Varicose veins develop when blood doesn’t flow properly through the veins in your legs. In healthy veins, blood flows from superficial veins near the surface of your legs, to deep veins within your muscles and from there back up to your heart. Normally, valves inside the veins keep your blood flowing in the right direction.
In varicose veins, the valves stop working as they should. This leads to the blood pooling in the superficial veins in your legs, increasing the pressure inside the veins and causing them to swell. You’re more likely to develop varicose veins as you get older. They’re also more common in women.
Varicose veins appear as bulging, twisted veins or lumps on your leg. You may not have any other symptoms at all, but if you do, they may include:
These symptoms often get worse after standing for a long time. For women, symptoms can be worse during periods or pregnancy. It’s possible for varicose veins to bleed, but in most people they don’t.
If you have any of these symptoms, and they’re causing you discomfort, contact your Doctor for advice. You should also see your Doctor if a varicose vein is bleeding.
Your Doctor will usually be able to tell if you have varicose veins from asking about your symptoms and examining you. They may want to look at your legs both while you’re sitting down, as well as while you’re standing up. They may also ask you about your medical history.
If your varicose veins are causing symptoms or you have complications, such as bleeding or skin changes, your Doctor may refer you to a vascular surgeon for assessment and treatment. A vascular surgeon is a doctor who specialises in conditions affecting your blood vessels.
If you’re referred, as well as examining you, your doctor may suggest that you have a special type of ultrasound scan called a duplex ultrasound. This uses sound waves to produce an image of the veins inside your leg and the flow of blood through them. It allows your doctor to see your deep veins in more detail, and find out more about the position and extent of your varicose veins.
Your doctor may suggest some self-help measures to relieve your symptoms. These may include:
If your job involves a lot of standing, try to change position frequently and move around as often as you can. Moving your feet and legs will help to pump your blood through your veins. Try to take regular breaks throughout the day and, if possible, keep your legs raised on something comfortable while you’re resting.
Most varicose veins don’t cause any long-term health problems. You’ll usually only be offered treatment if your varicose veins are causing you discomfort or more serious complications.
There are a number of options for treating varicose veins, with the main ones listed below. Your doctor will discuss what is suitable for you. It’s worth considering that whatever treatment you have, there’s a risk that your varicose veins may come back. You may be offered a further procedure if this happens. Ask your doctor what the chance is of this happening.
Endothermal ablation involves using either radiowaves (radiofrequency ablation) or a laser (endovenous laser ablation) to seal the affected vein.
These procedures can be carried out under local anaesthetic, which means you’ll be awake, but the area around your vein will be numb. Your doctor will make a tiny cut in your vein and insert a fine tube (catheter). They’ll then insert the radiofrequency electrode or laser through the catheter, which will seal off your varicose vein as it’s slowly withdrawn. You’ll usually be encouraged to be up and about afterwards, and go home the same day.
Endothermal ablation is a less invasive alternative to traditional surgery for varicose veins (see below). The treatments work as well as surgery and you’re likely to recover more quickly with less pain, so doctors usually offer these treatments first.
You may still get side-effects after these procedures, including pain and bruising, pins and needles and tightness in your legs, although they generally pass quickly.
If endothermal procedures are unsuitable for you, your doctor may recommend you have foam sclerotherapy. In this treatment, a chemical foam is injected into your varicose veins. This damages the inside of the veins, causing them to close up. Sometimes you may need more than one injection to block each vein.
Like the endothermal procedures, foam sclerotherapy is less invasive than surgery and can be done under local anaesthetic. Although helpful for some people, it’s not thought to be as effective as surgery and endothermal ablation.
Side-effects of foam sclerotherapy can include headaches, chest tightness, problems with vision and changes to the colour of your skin. There have been rare reports of more serious complications after this treatment too, including heart attacks, seizures and strokes. These problems may not be linked to the procedure itself, but it’s important to be aware of them.
If less invasive procedures are unsuitable for you, your doctor may suggest you have surgery to remove your varicose veins. The most common technique for varicose vein surgery is called ligation and stripping. This is usually done under general anaesthesia, which means you’ll be asleep during the procedure.
Your surgeon accesses the faulty vein via a small cut in your groin, or sometimes behind your knee. Using special equipment, they’ll tie off the vein (ligation) to stop blood flowing through it and then remove it with a long wire (stripping). Your surgeon may also remove veins on the surface of your leg using a technique called phlebectomy. This involves your surgeon making small cuts over the veins and using hooks to pull them out. You usually go home the same day after varicose vein surgery, although sometimes you may have to stay overnight.
Surgery is the most ‘tried and tested’ way to remove varicose veins – there’s a lot more long-term evidence to show how well it works compared to other options. But as it involves an operation with general anaesthesia, it does take longer to recover. Your leg may feel sore and uncomfortable for a couple of weeks after your operation and you may need to be off work for up to three weeks.
As with any type of surgery, there is the potential for complications, including infections, bleeding and blood clots, but these are uncommon. The surgery can also cause damage to your nerves, which may result in reduced sensation in areas of your leg; but this usually gets better with time. It’s also possible that new varicose veins can form later on.
Sometimes your doctor may suggest newer procedures to treat your varicose veins. These include:
There isn’t so much long-term evidence for how well these treatments work, and they may not be available everywhere. Your doctor will tell you if it’s something they’re able to offer.
If the treatments above aren’t suitable for you, or you decide not to have them, your doctor may suggest you try compression stockings to help relieve the swelling and aching in your legs. Your doctor may also suggest compression stockings if you have varicose veins and are pregnant.
If you have a procedure to treat your varicose veins, your doctor may also recommend you wear compression stockings afterwards to prevent blood clots forming in the veins of your legs. Follow your doctor’s advice on how long to wear them for.
Varicose veins can develop when valves in your veins don’t work properly. It’s not clear exactly why this happens. But there are certain factors that seem to put you at greater risk. These include:
Varicose veins may also be secondary to other problems or circumstances. You may get varicose veins if:
If you get varicose veins during pregnancy, the good news is that they often improve after your baby is born.
Varicose veins can get worse over time, but this usually happens slowly, over a period of years. Complications are rare but can include the following.
Having varicose veins increases your risk of developing a blood clot in a deep vein (deep vein thrombosis, DVT). But most people with varicose veins won’t develop this complication. DVT means a blood clot has formed in a deep vein, normally in your leg. This can lead to serious complications, as the blood clot can travel around your body and cause a blockage in the blood supply to your lungs (pulmonary embolism).
Varicose veins are thought to increase the risk of DVT because the reduced blood flow and damage to the veins in your legs may lead to blood clots forming. These may then pass through to your deep veins. There are lots of other risk factors for developing DVT, including having cancer, having certain conditions affecting your blood, getting older and being overweight. Being immobile for a long time (for instance, while travelling on an aeroplane, or having major surgery) also increases your risk.
Getting a DVT can also be a complication of procedures and surgery for varicose veins.
If you have varicose veins, and are worried about your risk of developing DVT, talk to your doctor. The signs of a DVT are redness, pain (often throbbing), and swelling in your leg. If you have these symptoms, contact your doctor straightaway.
If you’ve had varicose veins for some time, you may find that the skin of your lower leg becomes dry, scaly and very itchy. The skin may also change colour, become flaky or inflamed. This condition is called venous or varicose eczema.
You can ease the itchiness and discomfort by applying emollients (special moisturisers) every day. You can buy these from your pharmacy or your GP may prescribe them for you. They will help keep your skin soft and supple, and stop it breaking down. Keeping to a heathy weight and keeping physically active will help to stop your symptoms get any worse. When you’re resting, try to keep your legs raised.
If your skin becomes inflamed, your Doctor may prescribe a steroid cream to put on the area. Be sure to follow the instructions the Doctor or pharmacist gives you about how to use it.
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