The treated vein does not usually “come back” — but new veins can appear
A common worry is that varicose veins will simply return after treatment. In most cases, when a vein has been successfully treated, that specific vein stays closed or removed. What can happen over time is that other veins develop reflux, or new surface veins become visible.
Recurrence vs new veins: what is the difference?
It helps to separate two ideas, because they feel the same to patients but have different causes.
Recurrence (same problem source again)
- A treated trunk vein re-opens (uncommon with modern techniques when the right vein is treated).
- A missed source of reflux was present from the start, so symptoms persist.
New veins (a new problem over time)
- Another vein develops reflux later, often years down the line.
- Small surface veins become more visible with age, pregnancy, weight change, or long periods standing.
Why a duplex scan matters for long-term results
A duplex ultrasound scan maps exactly where reflux is coming from. Treating the correct source is the biggest factor in getting a durable result. It also helps set expectations: some people have more than one refluxing vein, and a staged plan may be the best approach.
What you can do to reduce the chance of future veins
You cannot change your genetics, but you can reduce day-to-day pressure on leg veins and spot problems early.
- Keep walking and stay active
the calf muscle pump supports healthy venous flow.
- Manage swelling
elevation and compression can help if symptoms build through the day.
- Treat the underlying reflux properly
if a trunk vein is refluxing, treating branches alone is less likely to last.
- Attend follow-up if advised
it helps confirm the treated vein is closed and identifies any remaining reflux.
When to seek review
If symptoms return, or you notice new bulging veins, it is worth reassessing rather than assuming treatment has failed. A repeat duplex scan can show whether there is a new source of reflux and whether a simple top-up treatment would help.
If you develop sudden increasing calf swelling, severe pain, chest pain, or breathlessness, seek urgent medical help. These symptoms are uncommon but should never be ignored.
Next steps
If you are considering treatment, a duplex ultrasound scan and consultation can help you understand what is driving your veins, what outcome is realistic, and what a durable plan looks like for your leg.
Speak to Mr Sidloff
If any of this sounds like your symptoms, an initial consultation includes a duplex ultrasound scan where it is needed, and a treatment plan based on what the scan shows. Appointments are usually available within five days.