5 Signs of Blood Clots and What May Put You at Higher Risk
Blood clots play an essential role in healing, helping to stop bleeding after an injury. But when clots form in the body without a clear reason—or in the wrong place—they can become serious or even life-threatening.
Understanding the early warning signs of a clot and knowing what factors increase your risk can help you act quickly and seek medical attention when needed.
What Is a Blood Clot?
A blood clot is a clump of blood that has changed from a liquid to a gel-like or semisolid state. While clotting is a natural process, certain conditions can lead to clots forming in deep veins or arteries, which may restrict or block blood flow.
One of the most well-known conditions is deep vein thrombosis (DVT)—a clot that forms in a deep vein, usually in the legs.
5 Signs of a Blood Clot You Shouldn’t Ignore
1. Swelling in One Leg
Sudden swelling, often in just one leg, is a common symptom of DVT. It may feel warm or tight, and the swelling typically doesn’t go down with rest or elevation.
2. Pain or Tenderness
Pain that starts in the calf or thigh and feels like cramping or soreness could be a sign of a clot. The discomfort may get worse when walking or standing for long periods.
3. Skin Discoloration
A clot can cause the skin to turn red, purple, or bluish—especially around the area of swelling or pain.
4. Warmth in the Affected Area
Many people report a feeling of heat or warmth in one specific spot, typically where the clot is forming.
5. Shortness of Breath or Chest Pain
These may indicate that a clot has traveled to the lungs, causing a pulmonary embolism. This is a medical emergency. Seek immediate attention if you experience chest pain, rapid breathing, or dizziness.
What Increases the Risk of Blood Clots?
Some risk factors are temporary, while others may be long-term. Common contributors include:
- Prolonged immobility: Long flights, bed rest, or sedentary lifestyle
- Surgery or trauma: Especially involving the legs or hips
- Certain medications: Some hormone therapies or birth control pills
- Chronic health conditions: Including cancer, obesity, or heart disease
- Family or personal history: A history of clots increases your risk
- Smoking: Linked to changes in blood flow and clotting behavior
- Age: Risk increases with age, particularly over 60
When to See a Doctor
If you notice any symptoms that could indicate a blood clot—or if you're at higher risk—speak with a healthcare provider. Blood clots can be diagnosed with imaging tests and treated with medications that prevent them from growing or traveling.
Medications for blood clots, including anticoagulants, are commonly used to manage conditions like DVT. However, they should only be taken under medical supervision.
Final Thoughts
Recognizing the early signs of blood clots and understanding your risk factors can be lifesaving. If you're wondering how to check for a blood clot in your leg or have concerns about your symptoms, don’t wait—reach out to your healthcare provider.
Always consult a medical professional before starting or stopping any treatment, especially when it comes to blood clots medication or related conditions.