Why swelling happens
Leg swelling can come from veins, lymphatic drainage, medication, heart or kidney problems, injury, infection, or prolonged standing. Duplex ultrasound is useful when a clot, venous reflux, or circulation problem is suspected.
When to take it seriously
Sudden one-sided swelling, pain, warmth, redness, recent travel, recent surgery, pregnancy, or a history of clots should be assessed promptly. Chest pain or shortness of breath needs emergency care first.
Important Signs to Mention
One-sided swelling
Calf pain or tenderness
Visible varicose veins
Skin darkening near the ankle
Swelling after long flights
Frequently Asked Questions
It can identify many venous causes such as DVT or venous reflux, but other medical causes may need blood tests or physician review.