Deep Vein Thrombosis (DVT): What You Need to Know

Deep vein thrombosis, or DVT, is a blood clot that forms in the deep veins of your leg or thigh. It can block blood flow and cause swelling, pain, or even a life‑threatening clot that travels to the lungs. Most people hear about DVT after a surgery or long flight, but everyday habits can raise the risk too.

Common Signs and Symptoms

The first clue is usually a sore, heavy feeling in one leg. You might notice the skin turning red or bluish, and the area could feel warm to the touch. Swelling is another red flag, especially if it’s sudden or makes the leg look larger than the other side. Some people feel cramps that mimic a muscle strain, while others have no pain at all until a clot breaks loose.

If you notice any of these signs, don’t wait. Call your doctor right away. They’ll check your medical history, look at the leg, and may order an ultrasound to see the clot.

How to Prevent DVT

Keeping blood moving is the easiest way to stop clots. If you sit for long periods—like during a flight or a road trip—stand up, stretch, and walk around every hour. Simple ankle pumps (flexing your foot up and down) work great when you can’t leave your seat.

Staying active every day helps a lot. A brisk 30‑minute walk, a bike ride, or light jogging keeps circulation strong. If you’re recovering from surgery, follow your doctor’s advice about compression stockings or motion‑assisted devices; they’re proven to lower clot risk.

Hydration matters, too. Drinking plenty of water thins the blood a bit, making clots less likely. Limit alcohol and avoid smoking, both of which increase clot‑forming factors.

For people with known risk factors—like a family history of clots, recent injury, cancer, or hormone therapy—doctors may prescribe blood thinners for a short period. Take the medication exactly as directed; missing doses can undo the protection.

Weight management also plays a role. Extra pounds put more pressure on leg veins, slowing blood flow. A balanced diet with fruits, veggies, and lean protein, combined with regular activity, can keep the veins happy.

Finally, pay attention to leg health after any major surgery or a long hospital stay. Nurses often encourage early movement, even simple leg lifts, to prevent clots. Ask your care team for a personalized plan if you’re unsure.

Bottom line: DVT isn’t something you have to live with in fear. Spotting the signs early, staying active, staying hydrated, and following doctor‑recommended steps can dramatically cut your risk. If you think you might have a clot, get checked right away—treatment works best before the clot moves.