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. https://www.usaveinclinics.com/blog/what-does-a-blood-clot-in-the-leg-feel-like/