“Varicose veins can bleed profusely, clot, and cause chronic leg ulcers. Knowing when to seek urgent care is potentially life-saving.”
Written by Dr Rahul Agarwal, Consultant Vascular & Endovascular Surgeon
CARE Hospitals, Banjara Hills, Hyderabad
Introduction
Many patients with varicose veins are told “they are just cosmetic” and to come back when they cause trouble. This advice is outdated and potentially harmful. Varicose veins are a progressive vascular disease with well-recognised serious complications. Knowing the warning signs that demand urgent evaluation — and when to call for emergency help — is essential knowledge for every patient. See our full treatment guide: Varicose Veins Treatment in Hyderabad.
🚨 Serious Complications of Varicose Veins
1. Bleeding from a Varicose Vein
This is one of the most alarming complications. A large varicosity lying close to the skin surface — particularly around the ankle — can rupture spontaneously or after even trivial trauma (scratching, bumping against furniture). The bleeding can be profuse because these veins are under high pressure. Immediate first aid: lie down, elevate the leg above heart level, and apply firm direct pressure. Then go to the emergency department. Definitive treatment of the varicose veins is required urgently after the bleed is controlled.
2. Superficial Thrombophlebitis
Blood clot formation within a superficial varicose vein causes sudden, painful hardening of the vein. The overlying skin becomes red, warm, and tender. While superficial clots are not the same as deep vein thrombosis (DVT), they require urgent assessment — a Duplex ultrasound is needed to confirm the clot does not extend into the deep venous system, which would require anticoagulation.
3. Deep Vein Thrombosis (DVT)
Patients with varicose veins have a modestly increased risk of DVT. DVT presents with calf pain, warmth, and swelling — often without obvious redness. DVT requires immediate anticoagulation treatment to prevent clot propagation and pulmonary embolism. If you have these symptoms, go to the emergency department immediately. Do not delay.
4. Venous Leg Ulcers
Venous ulcers are open wounds typically located above the inner ankle. They develop as a consequence of years of untreated venous hypertension that causes skin breakdown. They are painful, difficult to heal, and have a high recurrence rate without definitive treatment of the underlying venous reflux. A vascular surgeon should manage venous ulcers — they are not simply a wound care problem.
5. Lipodermatosclerosis
Chronic venous hypertension causes inflammation and fibrosis of the skin and underlying fat in the lower leg, resulting in a hard, tender, brownish discolouration. This represents advanced venous disease and is a strong predictor of imminent ulceration if the venous reflux is not treated.
❗ When to Call Emergency Services
- Profuse bleeding from a varicose vein that does not stop with 10 minutes of firm pressure
- Sudden severe calf pain with swelling (possible DVT)
- Chest pain or breathlessness following leg symptoms (possible pulmonary embolism)
🙋🏻♂️ Frequently Asked Questions
Can varicose veins cause a blood clot?
Yes. Clots can form within varicose veins (superficial thrombophlebitis) and, less commonly, can extend into the deep venous system causing DVT. Any sudden painful hardening of a vein requires urgent Duplex ultrasound assessment.
My leg ulcer isn’t healing. Is it a venous ulcer?
Non-healing leg ulcers located above the inner ankle in a patient with varicose veins are highly likely to be venous ulcers. They require assessment by a vascular surgeon and Duplex ultrasound — and will not reliably heal without treatment of the underlying venous reflux.
What do I do if a varicose vein starts bleeding?
Lie down immediately, elevate the affected leg above the level of your heart, and apply firm continuous pressure to the bleeding point with a clean cloth. The bleeding should stop. Then go to the emergency department for assessment and arrange urgent vascular review.
🔑 Key Insights
Varicose veins that bleed, clot, or cause ulcers are medical emergencies or urgent medical problems — not cosmetic inconveniences. Treat the underlying disease before complications develop.
📖 Related Reading:
- Varicose Veins Treatment in Hyderabad – Expert Care by Vascular Surgeon
- Complications of Untreated Varicose Veins
- Early Signs and Symptoms of Varicose Veins You Should Not Ignore
About the Author 👨🏻⚕️
Dr Rahul Agarwal is a Consultant Vascular & Endovascular Surgeon at CARE Hospitals, Banjara Hills, Hyderabad, specializing in varicose veins, AV Fistula surgery, peripheral artery disease, dialysis access, and limb salvage.
Book a Consultation
If you have any of the warning signs described above, consult Dr Rahul Agarwal urgently at CARE Hospitals, Banjara Hills, Hyderabad.