Blood clots, also called deep vein thrombosis (DVT) or pulmonary embolism (PE) depending on their location, can be life-threatening if left untreated. Recognizing the early warning signs is crucial for prompt medical attention.

1. Swelling in the Leg, Ankle, or Foot

Sudden, unexplained swelling in one leg is a common sign of a clot in the deep veins.

Often accompanied by a feeling of heaviness or tightness.

2. Pain or Tenderness

Pain may feel like cramping, soreness, or a “pulled muscle,” usually in the calf.

Often worsens when standing or walking.

3. Warmth in the Affected Area

The skin over the clot may feel warmer than the surrounding areas.

This is caused by inflammation around the clot.

4. Red or Discolored Skin

The affected leg may appear red, bluish, or darker than usual.

Sometimes the skin may also look shiny.

5. Shortness of Breath