come with pain, swelling, redness, warmth, tenderness, or tightness—especially if they affect only one leg or one arm.
Deep vein thrombosis, or DVT, is a blood clot in a deep vein, often in the leg. Mayo Clinic notes that DVT can cause pain, warmth, and tenderness, while Cleveland Clinic lists pain, swelling, redness, and warmth as common symptoms.
Seek urgent medical help if you have symptoms of DVT along with chest pain or shortness of breath. The NHS warns that a clot can travel to the lungs and cause a
