5 Critical Blood Clot Signals You Shouldn’t Ignore

Blood clots can be life-threatening if not detected in time. While clotting is a normal function to prevent excessive bleeding, abnormal clots in veins or arteries can lead to deep vein thrombosis (DVT), pulmonary embolism (PE), stroke, or heart attack. Recognizing the warning signs early is crucial.

1. Unexplained Swelling in the Leg or Arm

A sudden swelling in one limb could signal DVT, where a clot blocks blood flow. The area may feel warm, tender, and appear reddish or bluish. If untreated, the clot could travel to the lungs, causing a pulmonary embolism—a medical emergency.

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