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What are the Risk Factors for DVT?

Sandeep Dhanyamraju MD
Medically reviewed by Sandeep Dhanyamraju
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Sandeep Dhanyamraju MD
Medically reviewed by Sandeep Dhanyamraju

The main risk factors involve a history of DVT and being overweight. Deep vein thrombosis is a harsh illness. If left untreated, DVT can be the reason for pulmonary embolism. It is a life-threatening disease in which the clot travels to the lungs. Understanding the risk factors for DVT is crucial for prevention and early detection.

Here, we will explore the various risk factors associated with blood clotting. They involve common medical conditions, lifestyle factors, and genetic predispositions. By recognizing these risk factors, you can take steps to reduce your likelihood of developing DVT. Don’t hesitate and seek prompt medical attention if necessary. It is important to note that DVT can affect anyone, regardless of age or health status. However, certain populations may be at a higher risk. That includes those with a family history of DVT and individuals who are overweight or obese. Also, people who have undergone surgery or prolonged periods of immobility could be at risk too. Let’s learn about the risk factors for DVT. Then you can take an active role in protecting your health and well-being.

What is a Deep Vein Thrombosis?

Deep Vein Thrombosis (DVT) is a medical condition. It occurs when a blood clot forms in one or more of the deep veins in your body, typically in your legs. The epidemiology of DVT ranges from 1 to 3 per 1,000 people per year. It can be a serious medical condition. The blood clot can break loose and travel through your bloodstream. It potentially causes a life-threatening complication known as a pulmonary embolism. Symptoms of DVT may include: 

  • swelling
  • pain
  • warmth
  • redness in the affected area

Although some people may have no symptoms at all. So it is vital to seek medical attention if you suspect you have a DVT. Early diagnosis and treatment can help prevent serious complications. For example, blood clotting risk factors can provoke venous thromboembolism. Treatment for DVT may include blood-thinning medication and compression stockings. In some cases, surgery.

If you are on a DVT risk scale, your doctor may recommend taking blood-thinning medication or other preventive measures. It is essential to follow your doctor’s recommendations. Stay informed about the signs and symptoms of DVT. Take proactive steps to reduce your risk of DVT. Therefore you can help protect your health and avoid serious complications.

Causes of Deep Vein Thrombosis (DVT)

The causes of DVT are numerous and closely intertwined with the risk scale. They can vary from person to person. Here are some common causes of DVT:

  • Prolonged immobility. Prolonged periods of sitting or standing can increase the risk of DVT. This can happen during long flights or car rides or if you have a sedentary lifestyle.
  • Surgery. It can increase the risk of DVT, especially if it is a major surgery or if you have a history of DVT.
  • Injury. Injuries to the veins or blood vessels, such as a broken bone or severe muscle injury, can increase the risk of DVT.
  • Cancer. Certain types of cancer can increase the risk of DVT. These are due to the effects of chemotherapy or cancer itself on the blood vessels.
  • Hormonal birth control. The use of hormonal birth control can be one of the blood clotting risk factors. They include such as birth control pills, patches, or rings.
  • Pregnancy. It can increase the risk of DVT due to hormonal changes and increased pressure on the veins in the pelvis and legs.
  • Obesity. This can increase the risk of DVT due to the increased pressure on the veins in the legs.

Some people may have a higher risk of DVT than others. For example, those with a family history of DVT or a personal history of blood clotting disorders. It’s crucial to talk to your doctor about your individual risk factors for DVT. He will give you the appropriate measures to prevent it.

venous thrombosis risk factors

Common Risk Factor for DVT

There are several common risk factors for developing venous thrombosis, including:

  • Age. As people age, their risk of developing DVT increases. This is because the veins in the legs become less elastic. The valves that prevent blood from flowing backward become weaker.
  • Family history. A family history of blood clotting disorders can increase the risk of DVT. Inherited disorders such as Factor V Leiden mutation or protein C or S deficiency can increase the likelihood of clotting.
  • Smoking. It damages the walls of the blood vessels, increasing the risk of blood clots.
  • Dehydration. When the body is dehydrated, the blood becomes thicker and more likely to clot. This can increase the risk of DVT.
  • Prolonged sitting or standing. Jobs or activities that require prolonged periods of sitting or standing. These are high risk factors for developing venous thrombosis. Blood flow in the legs can become stagnant, increasing the risk of clotting.
  • Trauma. Injuries that damage blood vessels or cause inflammation can increase the risk. This includes fractures, sprains, or surgeries that result in immobilization.
  • Heart disease. People with heart disease or heart failure may have a higher risk of developing DVT.
  • Inflammatory bowel disease. Chronic inflammation in the body can increase the risk of blood clotting. Inflammatory bowel diseases such as Crohn’s disease or ulcerative colitis are associated with an increased risk.

It’s important to note that while these risk factors can increase the likelihood of developing blood clotting, many individuals who develop DVT have no known risk factors. Are you concerned about your risk of developing DVT? Then speak with your healthcare provider to discuss appropriate preventative measures.

Preventing Deep Vein Thrombosis (DVT)

To reduce the risk of developing fatal blood clots and low DVT epidemiology, you can::

  • Exercise. Regular exercise helps improve blood flow and reduce the risk of DVT. Simple activities like walking, cycling, and swimming can be beneficial.
  • Maintain a healthy weight. Obesity is a known risk factor for DVT. Maintaining a healthy weight through diet and exercise can help reduce this risk.
  • Stay hydrated. Dehydration can lead to blood thickening, which can increase the risk of DVT. Drinking enough water can help prevent this.
  • Stop smoking. Smoking damages the blood vessels. DVT epidemiology shows that it increases the risk of blood clots. Quitting smoking can help reduce the risk of DVT.
  • Wear compression stockings. Compression stockings can help improve blood flow and reduce the risk of DVT in people who are at high risk.
  • Move around during long periods of sitting. Whether it’s during a long flight or sitting at a desk for an extended period, it’s important to move around and stretch your legs to prevent blood from pooling and causing clots.
  • Talk to your doctor. If you’re at high risk of DVT, your doctor may recommend medications. They help prevent blood clots.


Deep vein thrombosis (DVT) is a severe medical condition. It can lead to pulmonary embolism if left untreated. The main risk factor for DVT includes a history of DVT. It is also about obesity and prolonged periods of immobility. Early diagnosis and cure are crucial for preventing serious complications. Taking proactive steps can help reduce your risk of creating DVT. Stay hydrated, exercise regularly, and follow your doctor’s recommendations.


  • What are the 5 strongest risk factors for DVT?

The five strongest risk factors for DVT are:

  1. advanced age
  2. a personal history of DVT or pulmonary embolism
  3. a family history of blood clots
  4. obesity
  5. smoking
  • Is dehydration a risk factor for DVT?

Dehydration can increase the risk of DVT, as it leads to a thicker and more viscous blood flow.

  • What is the most common cause of a DVT?

The most common cause of a DVT is a condition called venous stasis. It occurs when there is reduced blood flow in the veins due to immobility or other factors.

  • Is being female a risk factor for DVT?

Yes, being female is one of the risk factors in DVT risk scale. Women are at a higher risk of developing DVT than men due to hormonal factors. They include:

  1. pregnancy
  2. hormone replacement therapy
  3. the use of birth control pills

There is estrogen – a hormone found in higher levels in women. It increases the likelihood of blood clots. It is all about increasing the production of clotting factors and reducing the body’s ability to break down clots. 

  • What is the first line treatment for DVT?

The first-line treatment for DVT is anticoagulant therapy. It is a type of medication that helps to prevent the formation of new clots and the growth of existing ones.  Doctors use heparin and low molecular-weight heparin as anticoagulants.

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Edward Medina
Edward Medina
15:34 30 Jun 22
Just such an amazing staff that makes you feel like part of their family. I’ve been going there for over 5 years now... and each visit I get the very best care and treatments that I have ever received in the 20+ years that I’ve been dealing with severe debilitating migraines. Since i started seeing them the number of my migraines has dropped from 15-20 a month to 2-3 every 3 month. I highly recommend them …they will change your life!read more
Daneisha Johnson
Daneisha Johnson
22:20 19 May 22
Dr. Askari was very kind and explained everything so I could understand. The other staff were nice as well. I would... have gave 5 stars but I was a little taken aback when I checked in and had to pay 600.00 upfront. I think that should have been discussed in a appointment confirmation call or email just so I could have been more
Jean Cooper
Jean Cooper
16:54 29 Apr 22
I love the office staff they are friendly and very helpful. Dr. JODIE is very caring and understanding to your needs... and wants to help you. I will go back. would recommend Dr. Dr. Jodie to other Patients in a heart beat. The team works well more
Linda M
Linda M
19:40 02 Apr 22
I was obviously stressed, needing to see a neurologist. The staff was so patient and Dr. Ansari was so kind. At one... point he told me to relax, we have time, when I was relaying my history of my condition. That helped ease my stress. I have seen 3 other neurologists and he was the only one who performed any assessment tests on my cognitive and physical skills. At one point I couldn't complete two assessments and got upset and cried. I was told, it's OK. That's why you're here. I was truly impressed, and super pleased with the whole experience!read more
Leslie Durham
Leslie Durham
15:05 01 Apr 22
I've been coming here for about 5 years. The staff are ALWAYS friendly and knowledgeable. The Doctors are the absolute... best!! Jodie Moore is always in such a great mood which is a plus when you are already stressed. Highly recommendedread more
Monica Del Bosque
Monica Del Bosque
14:13 25 Mar 22
Since my first post my thoughts have changed here. It's unfortunate. My doctor and PA were great, but the office staff... is horrible. They never call you back when they say they will, they misinform you, they cause you too much stress wondering what's going on, they don't keep you posted. They never answer the phone. At this point I've left four messages in the last week, and I have sent three messages. Twice from their portal and one direct email. No response. My appointment is on Monday morning at 8:30am, no confirmation on my insurance and what's going on. What the heck is going on, this is ridiculous!I've given up... the stress her office staff has put me through is just not worth it. You can do so much better, please clean house, either change out your office staff, or find a way for them to be more efficient please. You have to do something. This is not how you want to run your practice. It leaves a very bad impression on your more
Ron Buckholz
Ron Buckholz
23:32 23 Mar 22
I was actually pleasantly surprised with this visit! It took me a long time to get the appointment scheduled because no... one answers your phones EVER! After a month, I finally got in, and your staff was warm, friendly, and I was totally impressed! I feel like you will take care of my needs!read more
Steve Nabavi
Steve Nabavi
16:28 16 Mar 22
It was a nice visit. Happy staff doing all they can do to comfort the patients in a very calming environment. You ask... me they are earned a big gold star on the fridge. My only complaint they didn't give me any more
Katie Lewis
Katie Lewis
16:10 10 Feb 22
Had very positive appointments with Jodie and Dr. Sheth for my migraine care. Jodie was so fast with the injections and... has so much valuable info. I started to feel light headed during checkout and the staff was SO helpful—giving me a chair, water, and taking me into a private room until I felt better. Highly recommend this practice for migraine patients, they know what they’re doing!!read more
Joshua Martinez
Joshua Martinez
16:02 10 Dec 21
I was scheduled to be checked and just want to say that the staff was fantastic. They were kind and helpful. I was... asked many questions related to what was going on and not once did I feel as though I was being brushed off. The front desk staff was especially great in assisting me. I'm scheduled to go back for a mri and am glad that I'll be going more
Isabel Ivy
Isabel Ivy
21:42 03 Nov 21
I had such a good experience with Lone Star Neurology, Brent my MRI Tech was so awesome and made sure I was very... comfortable during the appointment. He gave me ear plugs, a pillow, leg support and blanket, easiest MRI ever lol 🤣 My 72 hour EEG nurse Amanda was also so awesome. She made sure I was take care of over the 3 days and took her time with the electrodes to make sure it was comfortable for me! Paige was also a huge help in answering all my questions when it came to my test results, and letting me know her honest opinions about how I should go forth with my more
Leslie Luce
Leslie Luce
17:37 20 Oct 21
The professionalism and want to help attitude of this office was present from the moment I contacted them. The follow... up and follow through as well as their willingness to find a way to schedule my dad was above and beyond. We visited two offices in the same day with the same experience. I am appreciative of this—we spend a lot of time with doctors and this was top notch start to more
robert Parker
robert Parker
16:38 16 Apr 21
I love going to this office. The staff is friendly and helpful. The doctor is great. I am getting the best... neurological tests and treatment I have ever had. The only reason I did not give them a 5 star rating is because it is impossible to reach a live person at the office to reschedule appointments. Every time I have tried to get through to the office it says all people are busy and I am sent to a voicemail. If they could get their phone answering fixed, I would give them a strong 5 more
MaryAnn Hornbaker
MaryAnn Hornbaker
00:26 25 Feb 21
Dr. Harney is an excellent Dr. I found him friendly , personable and thorough. I evidently am an unusual case. ... Therefore he spent a Hugh amount of time educating me. He even gave me literature to further explain my condition and how to follow up. This is something you rarely get from your doctors. So I am more than please with my doctor and his more
Roger Arguello
Roger Arguello
03:05 29 Jan 21
Always courteous, professional. The staff is very friendly and always work with you to find the best appointment time.... The care team has been great. Always taking the time to listen to your concerns and to find the best more
Margaret Rowland
Margaret Rowland
01:12 27 Jan 21
I have been a patient at Lone Star Neurology for several years. Now both my adult daughters also are patients there. I... love Jodie. She is always so prompt whether it is a teleamed call are a visit in the office. She takes the time to explain everything to me and answers all my questions. I am so blessed to have Jodie as my more
Susan Miller
Susan Miller
03:01 13 Jan 21
My husband had an accident 5 years ago and Lone Star Neurology has been such a blessing to us with my husbands care.... Jodie Moore is his provider and she is amazing! Jodie is very knowledgeable, caring, and thorough. She takes her time with you, making sure your needs are met and she is happy to answer any questions you may have. Lone Star Neurology’s patients are very lucky to have Jodie providing their care. Thank you Lone Star Neurology and especially Jodie for everything you have done for us. Jodie, you are the best!read more
Windalyn C
Windalyn C
01:32 09 Jan 21
Jodie is wonderful. She is very caring and knowledgeable. I have been to over a dozen neurologists, and none were able... to help me as much as they have here. Thanks!read more
Katie Kordel
Katie Kordel
00:40 09 Jan 21
Jodi Moore, nurse practitioner, is amazing. I have suffered from frequent, debilitating headaches for almost 20 years.... She has provided the best proactive and responsive care I have ever received. My quality of life has been greatly improved by her caring approach and tenacity in finding more
Ellie Natsis
Ellie Natsis
15:41 07 Jan 21
I have had the best experience at this neurologist's office! For over a year I have been receiving iv treatments here... each month and my nurse, Bobbie is beyond wonderful!! She's so attentive, knowledgeable, caring, and detail oriented. She makes an otherwise uncomfortable experience much more pleasant and definitely puts me at ease! She also helps me with my insurance,ordering this specialty medication and dealing with the ordering process which is no easy feat.Needless to say, she goes above a beyond in every way and I'm so grateful to this office and to Bobbie for all they do for me!read more
Matt Morris
Matt Morris
15:39 07 Jan 21
Let me start by saying that I have been coming here for years. Due to my autoimmune disease, I am in this office... once every three weeks for multiple hours at a time. The office is very clean and the staff very friendly. My only complaint would be there communication via phone. They aren't the best at responding if you leave a voicemail and expect a call back. I understand that this is prob just due to the sheer number of alls they receive daily. What I can say I like the best about the office are the people. Bobby who handles my infusions is great. I never have any issues with her setting up my infusions. She is very quick to reply to messages sent via text and if she were to leave then my whole opinion of the office may change. I also enjoy people like Matt, Lauren, and Jodi. I appreciate all that they do for me and without this team I'm not sure I would be as happy as I am to visit the office as frequently as I have to. Please ensure that these folks are recognized as they are what makes my visit to this office so tolerable :).read more
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  1. 15/03/2024

    Very informative & extremely helpful article. Thank You Doctor 🙏🌹

  2. 01/04/2024

    Very informative & extremely helpful article. Thank You Doctor 🙏🌹

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