A blood clot in the leg can cause symptoms such as swelling, pain, tenderness, warmth, and skin discoloration. Deep vein thrombosis (DVT) can become life-threatening if the clot travels to the lungs. USA Vein Clinics encourages awareness of potential warning signs and timely medical evaluation. If you suspect a blood clot, seek urgent medical care. Sudden shortness of breath, chest pain, or coughing up blood requires emergency attention.
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