How Are Veins Assessed Before Sclerotherapy?

Generally a medical history, a review of symptoms, and an examination of the visible veins. Duplex ultrasound gets added when symptoms, larger veins, previous treatment, or the vein pattern itself suggest there’s a reflux source underneath.

Expect questions like:

• When did the veins first appear?
• Are they changing or spreading?
• Aching, heaviness, itching, burning or swelling?
• Previous vein procedures?
• Pregnancy history, where relevant
• Previous blood clots?
• Current medicines and allergies
• Skin changes or wounds?
• Work involving a lot of sitting or standing?
• Relevant heart, circulation or medical conditions?

Surface treatment alone can fall short if an important feeder vein hasn’t been identified, which is why assessment focuses on the pattern underneath, not just what’s visible.

Learn more about vascular ultrasound and vein mapping.

Is Ultrasound Needed Before Sclerotherapy?

Not for everyone. Direct-vision sclerotherapy and microsclerotherapy often proceed without it.

Duplex ultrasound is more likely to come up when there are:

• Larger varicose veins
• Significant aching, heaviness or swelling
• Skin changes
• Previous vein treatment
• Recurrent veins
• A pattern suggesting deeper reflux
• A history of blood clots or other circulation concerns

Direct-vision treatment generally suits veins you can clearly see at the surface. Ultrasound-guided sclerotherapy is the separate technique used for veins beneath the skin.

Learn more about ultrasound-guided sclerotherapy 

What Are the Potential Benefits of Sclerotherapy?

Where it’s clinically appropriate, sclerotherapy offers a way to treat selected veins without surgical incisions.

Potential benefits:

• Treating selected spider, reticular and surface veins
• Outpatient setting
• No general anaesthetic for standard direct-vision treatment
• A plan tailored to your specific visible vein pattern
• Several veins treated in one session
• Staged treatment when a larger area is involved
• Possible improvement in the appearance of treated veins
• Possible improvement in local symptoms, for suitable patients

These vary between patients. Treatment can’t guarantee complete clearance, stop new veins from forming, or produce the same result for every vein pattern.

What Are the Limitations of Sclerotherapy?

It doesn’t suit every vein or every patient, worth weighing alongside the benefits above.

Worth knowing:

• Not every injected vein responds completely
• More than one session may be needed
• Improvement is usually gradual, not immediate
• Larger or deeper veins may need a different treatment
• Underlying reflux sometimes needs addressing before surface veins
• Temporary pigmentation can linger for a while
• New spider or varicose veins can still develop later
• Results vary by vein size, anatomy and healing
• It treats what’s currently visible,not venous disease progressing elsewhere

This is treatment for the veins you have now, not a permanent fix for every vein problem you might ever have.

What Are the Risks and Side Effects of Sclerotherapy?

As an injection treatment, sclerotherapy carries possible side effects and complications worth covering as part of informed consent.

Temporary local effects:

• Redness
• Bruising
• Tenderness
• Itching or irritation
• Small firm areas or trapped blood
• Swelling around an injection site
• Brown pigmentation
• Fine new surface vessels around the treated area

Less common complications:

• Skin injury or ulceration
• Persistent pigmentation
• Inflammation of a treated vein
• Allergic reaction
• Superficial blood clots
• Deep vein thrombosis
• Infection
• Telangiectatic matting
• Incomplete treatment or recurrence

Seek urgent medical care after treatment for sudden significant leg swelling, severe or worsening pain, chest pain, shortness of breath, coughing blood, fainting, new neurological symptoms or a severe allergic reaction.

A Note on Foam Sclerotherapy

Foam sclerotherapy is a distinct technique, often used with ultrasound guidance for selected deeper veins, and its risk profile differs from direct-vision microsclerotherapy.

If you’re considering ultrasound-guided foam treatment, you should get procedure-specific information about what to expect, less common complications, and when to seek care. NICE specifically advises that consent for foam sclerotherapy cover temporary effects such as chest tightness, dry cough, headache and visual disturbance, alongside rare but significant neurological or cardiovascular complications.

Who May Not Be Suitable for Sclerotherapy?

This needs an individual assessment, treatment may be postponed, modified or avoided depending on your history and vein type.

Tell the clinician if you:

• Are pregnant, breastfeeding or planning pregnancy
• Have had a previous blood clot
• Have significant arterial or circulation problems
• Have an active infection or wound near the treatment area
• Have reacted to a sclerosant before
• Have reduced mobility
• Take anticoagulant or antiplatelet medicines
• Have heart, lung, neurological or other significant medical conditions
• Have diabetes-related foot or circulation concerns

Don’t stop prescribed medicines unless your prescribing doctor tells you to.

What Happens at a Sclerotherapy Appointment?

Depends on whether it’s assessment, direct-vision treatment, microsclerotherapy, or an ultrasound-guided procedure.

A treatment appointment usually covers:

• Confirming medical history and consent
• Reviewing the treatment plan
• Examining and marking the veins
• Cleaning the skin
• Injecting selected veins
• Pressure, dressings or compression, as needed
• A period of walking afterward, where advised
• Written aftercare instructions to take home

Some people have a separate assessment first; others go straight to treatment once suitability and the vein pattern are confirmed.

How Should You Prepare for Sclerotherapy?

Depends on the planned procedure and your history. You might be asked for a current medicine list, to skip moisturiser or fake tan on the area, to wear loose clothing, and to bring compression stockings if recommended.

Don’t stop medication, add new medicines, or change travel plans based on general online information ,follow what’s specific to your planned treatment.

Full preparation guidance here:

Read How to Prepare for Sclerotherapy in Melbourne

What Should You Expect After Sclerotherapy?

Walking is often encouraged, and compression may be recommended depending on what was treated and your clinician’s instructions.

Temporary effects:

• Bruising
• Redness
• Tenderness
• Pigmentation changes
• Small firm areas
• Mild local irritation

Recovery instructions vary by patient and procedure ,how long for compression, when to resume exercise, travel, sun exposure and follow-up are all individual.

Full aftercare guidance here:

Read Sclerotherapy Aftercare and Restrictions

How Many Sclerotherapy Sessions Will You Need?

There’s no fixed number that applies across the board. It comes down to the number, size and location of the veins, whether feeder veins are involved, and how the treated veins respond.

What tends to affect this:

• Size of the treatment area
• Number of visible veins
• Whether both legs are involved
• Reticular feeder veins present
• Previous vein treatment
• Underlying venous reflux
• Skin response and pigmentation
• How much can reasonably be treated in one visit
• Your own preference for staged treatment

Further sessions might be discussed if selected veins are still visible or haven’t fully closed.

Is Sclerotherapy Permanent?

A vein that closes successfully stops carrying blood for good ,but that doesn’t stop new spider, reticular or varicose veins showing up elsewhere over time. Previously treated veins occasionally need a second look if they stay visible or reopen.

What tends to drive new or recurring veins:

• Family history
• Pregnancy
• Hormonal factors
• Ageing
• Underlying venous reflux
• Larger feeder veins
• Venous disease progressing generally
• Previous treatment patterns

It’s more accurate to think of sclerotherapy as treating what’s visible now, rather than a one-time fix for every future vein problem.

How Does Sclerotherapy Compare With Other Vein Treatments?

Comes down to vein type, symptoms, anatomy and ultrasound findings.

For confirmed truncal reflux, clinical guidance distinguishes between endothermal treatment, ultrasound-guided foam sclerotherapy and surgery based on suitability, appearance alone shouldn’t drive the choice.

Compare the broader varicose vein treatment options.

Is Sclerotherapy Permanent?

A vein that closes successfully stops carrying blood for good ,but that doesn’t stop new spider, reticular or varicose veins showing up elsewhere over time. Previously treated veins occasionally need a second look if they stay visible or reopen.

What tends to drive new or recurring veins:

• Family history
• Pregnancy
• Hormonal factors
• Ageing
• Underlying venous reflux
• Larger feeder veins
• Venous disease progressing generally
• Previous treatment patterns

It’s more accurate to think of sclerotherapy as treating what’s visible now, rather than a one-time fix for every future vein problem.

How Much Does Sclerotherapy Cost in Melbourne?

Depends on the assessment required, vein pattern, treatment area, number of sessions, and whether ultrasound guidance or another procedure is involved.

Worth asking about before proceeding:

• Consultation or assessment fees
• Ultrasound fees, where applicable
• Treatment fees
• Compression garments
• Follow-up appointments
• Possible staged treatment
• Potential Medicare or insurance arrangements

A personalised estimate comes once the clinician understands the veins involved and the proposed plan.

Clinical Approach at Vein Care

The starting point is identifying the vein type and any underlying reflux before recommending anything, sometimes that’s clinical examination alone, sometimes it’s duplex ultrasound when symptoms or the vein pattern point that way.

What factors into the decision:

• The visible vein pattern
• Symptoms
• Medical history
• Skin condition
• Previous procedures
• Ultrasound findings, where available
• Risks and limitations
• Alternative management options
• Your own preferences

Learn more about Vein Care and Dr Gurjit Dhillon.

Do Compression Stockings Prevent Varicose Veins?

They can ease aching, swelling or heaviness for some people, but they won’t prevent every varicose vein from forming, and they won’t undo veins that already exist. Proper fitting matters, and so does following clinical advice,  particularly during pregnancy or when symptoms are already present.

Compression often comes up for:

• Leg heaviness or end-of-day swelling
• Long periods of standing
• Travel
• Pregnancy-related leg symptoms
• Symptom management while waiting for a review
• After certain vein procedures, if recommended

Not everyone should use compression stockings without checking first, people with circulation problems, diabetes-related foot concerns, skin wounds or reduced sensation should get clinical advice before starting.

Can Leg Elevation Help With Varicose Vein Symptoms?

Lifting your legs above heart level for a while takes pressure off the lower legs and can ease swelling, heaviness or aching, useful after a long day standing, sitting or travelling.

A few practical ways to use it:

• Elevate your legs for 15–20 minutes after work
• Build it into rest breaks rather than saving it for bedtime
• Pair it with regular walking rather than relying on elevation alone
• Mention persistent swelling to a clinician rather than just managing around it

Sudden, painful, one-sided swelling, especially with redness, warmth, chest pain or shortness of breath, needs urgent medical care, not home elevation.

How Can You Help Prevent Varicose Veins During Pregnancy?

Pregnancy brings hormonal changes, more blood volume, and more pressure on the pelvic and leg veins, all of which can bring on new varicose veins or make existing ones more noticeable. Movement, leg elevation, avoiding long stretches of standing, and compression stockings when advised all help manage symptoms during this time.

For many people, pregnancy-related varicose veins ease up after birth. Still, worth flagging to a clinician if symptoms are painful, getting worse, or showing up with swelling or skin changes.

Things that tend to help:

• Walking regularly, if it’s comfortable
• Resting with your legs elevated
• Avoiding long periods on your feet
• Asking about pregnancy-safe sleep and resting positions
• Wearing pregnancy-appropriate compression if your clinician recommends it

Seek urgent advice for sudden swelling, pain or shortness of breath at any stage of pregnancy.

Learn more about varicose veins during pregnancy.

Can Lifestyle Changes Stop Existing Varicose Veins Getting Worse?

They can ease symptoms and take some pressure off the legs, but they won’t reliably stop established varicose veins from progressing. If a visible vein is getting worse, painful, swollen, or showing skin changes, that’s a signal to check for venous reflux rather than wait it out.

Lifestyle habits are genuinely useful for milder symptoms:

• Mild aching
• End-of-day swelling
• Tired legs after standing
• Travel-related discomfort

They’re less likely to be enough once there’s bleeding, skin darkening, ulceration, significant swelling or pain that keeps coming back.

Learn more about varicose vein symptoms.

When Should Prevention Tips Not Be Enough?

When symptoms persist, worsen, or show up alongside skin changes, bleeding, real swelling or a wound that won’t heal. Those signs point toward something that needs an actual assessment, not more lifestyle tweaks.

Worth a routine assessment:

• Increasing aching or heaviness
• Persistent ankle swelling
• Painful bulging veins
• Itching, burning or skin irritation
• Brown or red skin discolouration
• Eczema-like skin changes
• Bleeding from a surface vein
• A wound that is slow to heal
• New symptoms after previous vein treatment

Seek urgent care for: Sudden one-sided leg swelling, severe pain, redness, warmth, chest pain, shortness of breath, or significant bleeding.

Learn more about deep vein thrombosis and venous leg ulcers.

How Are Varicose Vein Risk and Symptoms Assessed?

Assessment usually means a clinical history, a physical exam, and duplex ultrasound where it’s warranted, the goal being to understand your symptoms, check whether venous reflux is present, and decide whether monitoring, prevention, or treatment is the right next step.

Expect questions about:

• Family history of varicose veins
• Pregnancy history, where relevant
• How much standing or sitting your work involves
• Previous vein treatment
• Pain, swelling or heaviness
• Skin changes or wounds
• Medications and medical conditions
• Previous blood clots or circulation concerns

Duplex ultrasound maps the veins beneath the skin and checks how blood is actually flowing.

Learn more about vascular ultrasound and mapping.

When Is Varicose Vein Treatment Discussed?

Once symptoms, ultrasound findings, vein anatomy and medical history suggest prevention measures aren’t going to be enough on their own. Treatment isn’t chosen by appearance alone, it follows from understanding the underlying vein pattern.

Worth discussing treatment if you have:

• Persistent aching or heaviness
• Recurrent swelling
• Painful bulging veins
• Skin discolouration
• Venous eczema
• Bleeding from a surface vein
• Slow-healing wounds
• New or recurrent veins after previous treatment

Explore varicose vein treatment options.

Most people come in wanting a specific vein gone. What I’m actually looking at is whether that vein is isolated, or whether it’s being fed by something larger underneath that injection alone won’t fix. Sclerotherapy works very well for the right vein pattern, the assessment is what tells us if this is that pattern, or if we need a different approach first.

 Dr Gurjit Dhillon, Phlebologist, M.B.B.S., F.A.C.P.