Conditions · Symptoms
Varicose Vein Symptoms & Warning Signs
Quick answer: Common varicose vein symptoms are heavy, tired or aching legs, ankle swelling by evening, night cramps, itching and dry skin on the lower leg, and bulging blue or purple veins. Many symptoms appear before any vein is visible. Darkening skin, a vein that bleeds, or a hot, painful, swollen leg need prompt medical attention.
Key facts at a glance
- Visible signs: spider veins, blue reticular veins, bulging varicose veins, skin discoloration.
- Felt symptoms: pulling or aching pain, heaviness, ankle swelling, night cramps, itchy dry skin.
- Hidden disease: symptoms can occur with no visible veins — the subject of LEDAS's published study.
- Typical pattern: worse after standing or sitting, in the evening and in hot weather; better with walking and leg elevation.
- Self-check: 3 or more of 13 checklist items suggests you should be examined.
- Urgent signs: painful swollen leg, sudden breathlessness or chest pain — call emergency services.
What are the first signs of varicose veins?
The earliest signs are often things you feel rather than see. Many people first notice that their legs feel heavy or tired by the end of the day, that their shoes or socks feel tight around the ankles, or that cramps wake them at night. These symptoms come from blood pooling in the lower leg because of leaking vein valves ( venous reflux ).
LEDAS's own published study, “Subjective symptoms can be the indicator of varicose veins” , focuses on exactly this point: varicose vein disease can be present before a vein bulges, because the leaking vein may lie deep under the skin.
What symptoms can you feel?
- Pain: a pulling, aching or throbbing pain in the calves. See why varicose veins hurt .
- Heaviness: legs feel heavy or “bursting”, especially after standing. See heavy, tired legs .
- Swelling: puffiness around the ankles and feet, often worse in the evening. See leg and ankle swelling .
- Night cramps: painful calf cramps that disturb sleep. See night leg cramps .
- Itching and dry skin: especially around the calves and ankles.
- Restlessness: an urge to move your legs when sitting or lying.
What signs can you see?
- Spider veins (telangiectasia): fine red or purple lines under 1 mm. See spider veins .
- Reticular veins: flat blue-green veins 1–3 mm wide.
- Varicose veins (varices): bulging, twisted veins 3 mm or wider.
- Skin discoloration: brownish darkening near the ankle.
- Skin hardening or ulcers: signs of advanced disease.
When do symptoms get worse?
Venous symptoms follow a typical pattern. They tend to worsen:
- After long periods of standing or sitting still
- Towards the end of the day
- In hot weather, saunas or hot baths
- Before menstruation or during pregnancy
They usually improve with walking, raising your legs above heart level and wearing medical compression stockings. If your symptoms follow this pattern, veins are a likely cause.
Which symptoms are warning signs?
Some symptoms mean the disease is advancing or a complication is developing:
- See a vein doctor soon if your ankle skin is darkening, hardening or itchy; you have a sore that is slow to heal; a vein becomes hard, red and tender; or a varicose vein bleeds.
- Call emergency services immediately if one leg suddenly becomes painful, swollen, warm or red, or you have sudden shortness of breath, chest pain or cough up blood. These can be signs of deep vein thrombosis or pulmonary embolism.
How do you know if your symptoms are from your veins?
Other conditions, such as heart, kidney or joint problems, can cause leg swelling or pain. The only reliable way to confirm venous disease is a duplex ultrasound . At LEDAS, Dr. Kim Byoung Joon scans your legs while you stand and shows you the result on screen. As a first step at home, try our 13-point self-check checklist .
Do symptoms go away without treatment?
Varicose veins do not go away on their own. Habits such as daily walking, leg elevation and compression stockings can ease symptoms, but they do not repair a leaking valve. LEDAS treats the cause with EVLT and sclerotherapy under local anesthesia.
Symptom guide: what to do
| Symptom | What it may mean | What to do |
|---|---|---|
| Heavy, aching legs by evening | Early venous reflux | Book an ultrasound check |
| Ankle swelling | Venous edema (CEAP C3) or another cause | See a doctor to confirm the cause |
| Night cramps, restless legs | Possible venous congestion | Ultrasound if frequent |
| Darkening or hard skin near ankle | Advanced disease (CEAP C4) | See a vein specialist soon |
| Hard, red, tender vein | Superficial thrombophlebitis | See a doctor promptly |
| Bleeding varicose vein | Thin skin over a vein | Raise leg, press firmly, seek care |
| Painful, hot, swollen leg or breathlessness | Possible DVT or pulmonary embolism | Call emergency services |
Varicose vein symptoms – frequently asked questions
Can you have varicose veins without visible veins?
Yes. A leaking vein can lie deep under the skin and still cause heaviness, aching, swelling and cramps. This is why LEDAS investigates symptoms with ultrasound even when the legs look normal. The clinic's published study focuses on this link between symptoms and hidden vein disease.
Why do my legs feel worse at night?
After a day of standing or sitting, blood pools in the lower legs, causing heaviness and swelling. When you lie down, cramps and restlessness can appear. Raising your legs and walking during the day often helps. Frequent night cramps are worth checking with ultrasound.
Do varicose veins cause itching?
Yes. Pressure from pooled blood can irritate the skin, causing itching and dryness around the ankles and calves. Persistent itching with darkening skin may be venous eczema, a sign of more advanced disease. Avoid scratching and see a vein doctor. Read skin darkening and lipodermatosclerosis.
Are varicose vein symptoms worse in summer?
Often, yes. Heat widens veins, so more blood pools in the legs and swelling and heaviness increase. Hot baths and saunas have the same effect. Cool showers on the legs, leg elevation and staying active can help during hot weather.
About this page
Clinical information:
LEDAS Varicose Vein Clinic, led by
Dr. Kim Byoung Joon , thoracic and cardiovascular surgeon, founding member of the Korean Society for Phlebology.
Medical reviewer:
Dr. Kim Byoung Joon ·
Review status:
Pending ·
Last updated:
October 2026
This page is general information and not a diagnosis. Treatment is decided only after an in-person examination. Read our
editorial policy .
Related: Self-check checklist · Causes · CEAP stages · Complications · When to see a vein doctor
Heavy, aching legs? Find out why
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