leg swelling of deep vein thrombosis
Deep vein thrombosis or DVT as it is commonly known a (DVT) is a condition in which blood clots form in the deep veins of the lower limbs. Uncommonly deep veins of the arm can also get affected but this is very rare and usually under special circumstances.

Most patients with DVT are concerning requiring urgent treatment but not life-threatening.

Dr. Manish Taneja

Vascular Specialist, Supreme Vascular and Interventional Clinic

Deep Vein Thrombosis: Symptoms, Signs & Treatment 


In Singapore, the frequency rate of acute deep vein thrombosis among inpatients is 15.8 per 10,000 admissions. Better known as DVT, this medical condition involves the formation of a blood clot within the deep veins of the body, typically in the leg.

DVT can cause leg pain and swelling and lead to other complications. Fortunately, the condition can be treated, effectively reducing the risk of complications. Understanding the causes and symptoms of DVT will help you prevent it, seek timely treatment and know what treatment is best for you. Keep reading to learn more.


Symptoms of Deep Vein Thrombosis


DVT can occur without noticeable symptoms; about half of patients do not experience any symptoms. Deep vein thrombosis symptoms include:

  • Swelling in the affected area
  • Leg pain, tenderness and cramping
  • A feeling of warmth on the affected leg
  • Red or discolored skin over the affected area
  • Swollen, painful veins
If you develop any of these symptoms, see a doctor without delay.  Searching for a “deep vein thrombosis doctor near me” or “deep vein thrombosis clinic near me” online will enable you to find medical help quickly.

Causes of DVT


DVT is caused by a blood clot. However, certain factors can contribute to the development of the condition. They include:

  • Surgery, particularly abdominal surgery or surgery of the leg or hip
  • Trauma, injury or bone fracture
  • Reduced mobility or inactivity
  • Certain medications including birth control pills, hormone therapy drugs and antidepressants
  • Illnesses like cancer, heart failure and infections
  • Varicose veins
  • Airplane flying

Diagnosis of DVT


To diagnose DVT, your healthcare provider will ask about your symptoms, review your medical history and conduct a physical exam. If they suspect DVT, they will order diagnostic tests such as ultrasound, magnetic resonance imaging (MRI) scan, venography or a D-dimer blood test.

Accurate deep vein thrombosis diagnosis will enable your doctor to administer the appropriate treatment. This will in turn help to alleviate symptoms and improve your quality of life.


Risk Factors of Deep Vein Thrombosis


Anybody can develop DVT. However, certain factors increase the risk of developing blood clots. Knowing these factors will help you take the appropriate actions to protect yourself. Below are some risk factors for DVT.

  • Advanced age
  • Heredity or family history
  • Being overweight or obese
  • Pregnancy
  • Smoking

Deep Vein Thrombosis Vs Varicose Veins


Although DVT and varicose veins are both conditions of the veins, several things distinguish them. First, varicose veins affect the veins close to the skin surface while DVT affects deeper veins.

Oftentimes, varicose veins will cause visual symptoms. On the other hand, many people with DVT do not experience any symptoms. Lastly, DVT is a more serious condition that can cause pulmonary embolism, which can be life-threatening if not treated.


Deep Vein Thrombosis and Flying


Long airplane trips involve sitting for extended periods of time, something that increases the risk of developing blood clots. People with pre-existing risk factors for DVT are at a higher risk for the condition while flying. Doctors recommend that patients with a newly diagnosed deep vein thrombosis avoid flying for about four weeks from the start of treatment due to the risk of related complications when traveling.

To prevent blood clots during travel, be sure to:

  • Talk to a doctor about your risk, wearing compression stockings or taking medications before departure
  • Stand up and walk around the plane occasionally during the flight
  • Stretch your legs and exercise your calf muscles while sitting
  • Drink plenty of fluids to prevent dehydration
  • Massage your legs while seated to improve circulation
  • Try to keep your feet elevated

Deep Vein Thrombosis and Exercise


Regular exercise can help to lower the chances of DVT and reduce acute symptoms. Leg exercises in particular keep your legs moving and improve blood circulation. If you have deep vein thrombosis, your exercise routine should include:

  • Leg raises
  • Knee pulls
  • Foot pumps
  • Ankle circles
  • Walking

How to Choose and Use Compression Stockings


There are different types of compression stockings. When choosing a compression stocking, ensure you pick the right type, the correct compression level and the right fit. If you have DVT, your doctor may recommend the right compression stockings for you.

To put on compression stockings, roll them out inside out towards the heel. Put your foot inside the stocking and slowly pull the stocking up over your leg. Wear them first thing in the morning and keep them on throughout the day.


Treatment Options for Vein Thrombosis


DVT treatment focuses on preventing the clot from growing, stopping the clot from traveling to the lungs and preventing new blood clots from forming. Deep vein thrombosis treatment options include:

Medical management: This is the most common treatment option for DVT. Your doctor may prescribe medications that help to break up clots and make it harder for clots to form.

Minimally invasive pharmaco-mechanical treatments: This is a catheter-based treatment that involves making small incisions to access the affected vein. It is commonly used for extensive or life-threatening DVT.

Filters: If you cannot take blood thinners, a filter can be placed in the vena cava to prevent clots from entering the lungs.

Compression stockings: These help to reduce swelling and prevent blood from pooling in the legs.

Surgery: In case of a very large DVT clot, your doctor may recommend surgery to remove the clot.

Supreme Vascular and Interventional Clinic Treatments


There are more several types of venous diseases we offer to treat different problems. Swipe to learn more.



What are Venous Diseases?

Venous diseases include varicose veins, spider veins, deep vein thrombosis, cerebral venous thrombosis, and leg swelling. Learn about the symptoms, diagnosis, and management options for each condition, including minimally-invasive treatments. Discover the advantages of non-surgical treatments such as quick recovery, same-day admission and discharge, and no or minimal visible scars. Learn more about the venous disease treatments at our clinic.

What are Varicose Veins?

Blood circulation to the legs involves two systems broadly. First is the arterial system taking blood to the legs from the heart carrying oxygenated blood. Second is the venous system taking deoxygenated blood from the legs to the heart. This venous system comprises two parts: superficial venous system under the skin and deep venous system next to the bones and the deep muscles. Learn more about the varicose veins and spider veins treatments at our clinic.

What is Deep Vein Thrombosis?

Deep vein thrombosis or DVT as it is commonly known a (DVT) is a condition in which blood clots form in the deep veins of the lower limbs. Uncommonly deep veins of the arm can also get affected but this is very rare and usually under special circumstances. Most patients with DVT are concerning requiring urgent treatment but not life-threatening. Learn more about the deep vein thrombosis treatments at our clinic.

What is Leg Swelling

Leg swelling is a very common condition affecting patients in all age groups. It can be acute or chronic condition affecting one or both legs. There are multiple causes of leg swelling with venous disorders being one of the relatively common cause of the condition. Other causes include medication, medical conditions, lymphatic disorders besides others.

Read More About Venous Diseases on Our Blog


To dive deeper into the types of venous diseases, head over to our clinic’s blog.

Read our recommended venous diseases related blog posts to stay informed.



There are two types of varicose veins seen commonly seen in practice. Swollen enlarged bulging veins under the skin Spider veins that look like a fine network of red or blue lines just under the skin. Varicose Veins Treatments: Types, Causes, and Diagnosis Varicose...


Leg swelling is a very common condition affecting patients in all age groups. It can be acute or chronic condition affecting one or both legs. There are multiple causes of leg swelling with venous disorders being one of the relatively common cause of the condition....


Cerebral venous thrombosis (CVT) is less common known cause of acute stroke in young patients. Stroke is commonly caused by clots in arterial circulation supplying blood from heart to the brain that block blood supply with damage to the brain cells....


Varicose veins is a condition that affects these superficial veins under the skin. Normal healthy veins have valves inside that help to maintain continuous blood flow to the heart. These valves can get damaged or diseased leading to venous reflux disease. Varicose...


In the past, patients of varicose veins used to undergo open surgery for a few hours losing significant blood with a recovery time of two to three weeks. Now, the entire paradigm has shifted with the introduction of non-invasive or minimally invasive surgical...


Sclerotherapy is a minimally invasive treatment of varicose veins and spider veins. It involves injecting a concentrated saline solution (chemical) directly into the varicose or spider vein using a needle, causing its walls to stick together. Once the walls shut,...


Varicocele is a vascular disorder affecting veins of the scrotum. It is abnormal collection of tangled veins in the scrotum above the testicles. This is due to engorgement of veins in the scrotum due to weak valves preventing normal venous blood to flow...


ClosureFast is the brand name for Radiofrequency Ablation (RFA), a vein treatment. It involves using radiofrequency energy to treat varicose veins by closing the veins. Given its minimally invasive nature, it offers several advantages compared to traditional surgical...


As the old saying goes, 'You are what you eat.' your dietary choices play a crucial role in your well-being for optimal vein health. While it's important to note that dietary changes may not serve as a definitive cure for varicose veins, they can effectively reduce...

Varicose Veins Resources

Explore our varicose veins and spider veins resources for patients. Gain insight into the diagnosis and treatment of varicose and spider veins conditions, their underlying causes, symptoms, and complications. Connect with your vascular health.

Venous Diseases Treatments

Keep Varicose Veins and Spider Veins at Bay

If your legs feel sore persistently, achy when standing long periods, or maybe you notice blue or purple veins even bulging in the area, chances are these symptoms of varicose veins and spider veins could lead to other serious venous diseases such as Deep Vein Thrombosis (DVT), Chronic Venous Insufficiency (CVI), or Leg Swelling due to increased pressure forming larger blood clots over time. Varicose veins are fully treatable with minimally invasive procedures and treatments offering minimal downtime and quick recovery preventing further complications. Long term effects of untreated varicose veins can hinder your daily life and impact your health.

The Supreme Vascular and Interventional Clinic in Singapore is here to diagnose and treat varicose veins smoothening patients’ experience to find relief and comfort. As a vascular and interventional radiology specialist based in Singapore, Dr. Manish Taneja, looks after a spectrum of venous diseases, peripheral vascular malformations, and peripheral arterial disease. Dr. Manish Taneja also has extensive experience in performing all vascular interventions, non-vascular interventions and interventional oncology procedures.

Other Health Conditions

When looking for a deep vein thrombosis specialist, choose a doctor who can give proper diagnosis and treatment. At Supreme Vascular and Interventional Clinic, we provide quality world class care to patients with vascular and non-vascular disorders. To learn more about how to deal with DVT, contact us to arrange an appointment on our website with Dr. Manish Taneja, or call us at +65 6904 8084.