A blood clot in a deep vein of the leg (known as deep vein thrombosis) can become dangerous if part of the clot breaks off and travels to the lungs. Knowing the warning signs can help you recognize when prompt medical evaluation is needed.
Here are 10 warning signs of a blood clot in the leg:
- Swelling in one leg
Swelling that develops suddenly or gradually in one leg, especially in the calf or thigh, is one of the most common signs. - Leg pain or tenderness
The pain may feel like a cramp, soreness, or aching, often starting in the calf. - Warm skin
The affected area may feel noticeably warmer than the surrounding skin. - Red or discolored skin
The skin may appear red, bluish, or darker than usual. - Pain that worsens when walking or standing
Discomfort may increase when putting weight on the affected leg. - A feeling of tightness or fullness
The leg may feel heavy, tight, or unusually full. - Visible swollen veins
Surface veins may become more prominent or enlarged. - Tenderness when touching the calf
The area may be painful even with gentle pressure. - One leg appears larger than the other
Comparing both legs may reveal a noticeable difference in size. - Symptoms without an obvious injury
Swelling and pain that occur without a recent strain, fall, or other injury should not be
