do blood thinners make you lose weight? 5 dos and don’ts about blood thinners

Do blood thinners make you lose weight
Posted On: March 1st, 2023
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Do blood thinners make you lose weight?

We may need to take blood thinners at some point in our lives to prevent or treat blood clots. Anticoagulants, commonly referred to as “blood thinners,” prevent blood clots from forming in the blood vessels. Deep vein thrombosis, pulmonary embolism, stroke, and heart attack are among the conditions they are frequently used to treat.

Blood thinners are well-known for their medicinal advantages, but there are online allegations that they can also cause weight reduction. We will talk about whether or not blood thinners can cause weight loss in this post as well as the connection between blood thinners and weight loss.

What are blood thinners?

Blood thinners are drugs that lessen the body’s capacity to produce blood clots. They function by preventing blood clots from forming, which can obstruct blood vessels and result in major health issues. Blood thinners prevent blood clots from forming rather than actively thin the blood.

Blood thinners primarily come in two varieties: anticoagulants and antiplatelets. Anticoagulants, like warfarin and heparin, function by preventing the blood’s clotting factors from doing their job. Aspirin and clopidogrel are antiplatelets that operate by stopping platelets from congregating and creating clots.

There are two types of blood thinners:

Anticoagulants that are administered orally and intravenously. Oral anticoagulants are taken by mouth and come in pill form. These consist of drugs like apixaban, dabigatran, and warfarin. Contrarily, injectable anticoagulants must be administered intravenously with a needle. These consist of drugs such as heparin and enoxaparin.

Do blood thinners make you lose weight

How Do Blood Thinners Work?

Blood thinners function by preventing the body from clotting. They accomplish this by impeding coagulation factor synthesis or by inhibiting clotting factor activity. As a result, blood clots are less likely to form in the blood vessels.

The way that oral anticoagulants function is by preventing the synthesis of vitamin K, which is necessary for the creation of clotting components. On the other hand, injectable anticoagulants function by obstructing coagulation factors’ ability to function.

Who Needs Blood Thinners?

Those who are at a higher risk of having blood clots are frequently prescribed blood thinners. This includes those who have experienced a heart attack or stroke, blood clots in the past, or an irregular pulse (atrial fibrillation).

Those who have had surgery may also be prescribed blood thinners because of their increased risk of blood clots during the healing process. Additionally, taking blood thinners may be necessary for patients with specific medical disorders, including deep vein thrombosis, pulmonary embolism, and some forms of cancer.

Do blood thinners make you lose weight

Do blood thinners cause weight loss?

Blood thinners work well to prevent and treat blood clots, but weight loss is not one of their known side effects. In fact, weight gain is a common side effect of numerous blood thinners, including heparin and warfarin.

Blood thinners can induce weight gain as a side effect because they might stimulate hunger and promote fluid retention. Weight gain can result from the edoema and inflammation that some blood thinners, such as heparin, can bring on in the legs.

Blood thinners can sometimes indirectly lead to weight reduction. For instance, a person may need to remain immobile for a long time if they are taking blood thinners to treat a condition like deep vein thrombosis. Loss of muscle and weight might result from this inactivity.

It is crucial to remember that weight loss brought on by blood thinners is not a desirable or healthy result. You should see your doctor right away if you lose a lot of weight while taking blood thinners.

Do blood thinners make you lose weight

How to Manage Weight While Taking Blood Thinners

While taking blood thinners may result in weight gain, there are steps you can take to manage your weight. Here are some pointers to keep your weight in check while using blood thinners:

  1. Eat a balanced diet: You can keep a healthy weight while taking blood thinners by eating a balanced diet that contains fruits, vegetables, whole grains, lean protein, and healthy fats.
  2. Stay active: You may prevent weight gain and preserve your muscle mass by engaging in regular exercise.  Before beginning an exercise regimen, it’s crucial to discuss blood thinner use with your doctor.
  3. Drink plenty of water. You can avoid overeating by drinking enough water, which might make you feel satisfied.
  4. Limit alcohol: Alcohol may make blood thinners less effective and raise the possibility of bleeding.
  5. Monitor your weight: Monitoring your weight might help you see any changes and take appropriate action.

How Can You Manage Weight Loss While Taking Blood Thinners?

It is crucial to talk to your healthcare professional if you are losing weight while taking blood thinners. They might advise you to take a different drug or change the dosage of your current one.

Also, it’s critical to make sure you’re eating a nutritious, well-balanced diet. As a way to support your nutritional needs, you might also wish to think about taking supplements.

Do blood thinners make you lose weight

Possible side effects of blood thinners

Blood thinners can be lifesaving drugs, but they also have some potential drawbacks. They consist of:

  • Bleeding: Blood thinners can raise the risk of bleeding since they lower the chance of blood clots forming. In some circumstances, particularly if the bleeding is internal, this can be dangerous.
  • Bruising: Blood thinners may make bruising or the appearance of tiny red or purple spots on the skin easier.
  • Headaches: Headaches are a potential side effect for some patients using blood thinners.
  • Hair loss: Blood thinners may cause hair loss in certain individuals.

It is crucial to discuss the potential advantages and disadvantages of using blood thinners with your healthcare provider.

Blood thinner dos and don’ts


  1. Take your blood thinner medication as prescribed: Blood thinners must be taken according to a set schedule and dosage. It is essential to take your medication at the same time each day and to adhere to your doctor’s instructions.
  2. Keep a record of your medication: To ensure that you don’t miss any doses, write down the amount and time you took your medication. You can manage your prescription regimen by using a medication reminder app.
  3. Stay hydrated: Staying hydrated can reduce the risk of bleeding, which is made more likely by blood thinners. Avoid alcohol and coffee, which can dehydrate the body, and drink lots of water.
  4. Maintain a healthy lifestyle: By leading a healthy lifestyle, blood thinner users can lower their risk of problems.  Consume a healthy diet, work out frequently, and, if you smoke, stop.
  5. Inform your healthcare provider about any other medications you take. The risk of bleeding can be increased by certain drugs’ interactions with blood thinners. Any additional medications you are taking, including over-the-counter medicines and herbal supplements, should be disclosed to your healthcare provider.


  1. Do not skip doses. Regular use is required for blood thinners to be effective. Skipping a dosage can make blood clots and other problems more likely.
  2. Do not take medication with grapefruit juice: Blood thinners can be ineffective because grapefruit juice can prevent their absorption. Grapefruit juice should be avoided if you are using blood thinners.
  3. Do not take medication with NSAIDs: When combined with blood thinners, nonsteroidal anti-inflammatory medications (NSAIDs) like aspirin and ibuprofen can raise the risk of bleeding. Before using any NSAIDs, speak with your doctor.
  4. Do not engage in high-risk activities: Extreme physical exertion or contact sports can increase the risk of bleeding while taking blood thinners. Before participating in any high-risk activities, speak with your healthcare provider.
  5. Do not consume alcohol: Blood thinners and alcohol may interact negatively, increasing the chance of bleeding. If you are using blood thinners, stay away from alcohol.

What are the pros and cons of blood thinners?


  1. Preventing blood clots: Blood thinners stop the development of blood clots, which can be fatal if they reach the heart, lungs, or brain.
  2. Treatment of various conditions Many medical diseases, including deep vein thrombosis, pulmonary embolism, atrial fibrillation, and heart valve replacement, are treated with blood thinners.
  3. Lowers the risk of stroke: Blood thinners can lower the risk of stroke in people with atrial fibrillation by decreasing the development of blood clots in the heart.
  4. Safe for long-term use: Blood thinners have little negative effect on the body and are safe for long-term use.


  1. Risk of bleeding: Blood thinners raise the possibility of bleeding, including potentially fatal internal hemorrhage. It’s important to periodically check on patients using blood thinners to make sure they aren’t bleeding excessively.
  2. Risk of interactions with other medications: The risk of bleeding can be increased by interactions between blood thinners and other medications, including over-the-counter medicines and herbal supplements.
  3. Inconvenient monitoring: Regular blood tests are required for patients who use blood thinners to make sure they are receiving the correct dosage. This may be time-consuming and inconvenient.
  4. High cost: Blood thinners can be costly, particularly for individuals who require long-term use.


Blood clots can be prevented and treated with the help of blood thinners, although they are not known to induce weight loss. In actuality, weight gain is an adverse effect of some blood thinners. It’s crucial to discuss your weight concerns with your doctor if you use blood thinners.


Do blood thinners make you lose hair?

There is no direct link between hair loss and blood thinners.

Do blood thinners make you tired?

Certainly, exhaustion or tiredness can be a side effect of some blood thinners.

Do blood thinners make you put on weight?

No, there is no proof that blood thinners make you gain weight.

Do blood thinners make you pee more?

No, blood thinners don’t usually make you urinate more.

Do blood thinners affect oxygen levels?

No, blood thinners have no effect on the body’s oxygen levels.

Do blood thinners make you lose your appetite?

No evidence exists to support the claim that blood thinners impact appetite.

What not to do while on blood thinners

Avoid engaging in activities like contact sports, heavy lifting, or using sharp objects that could increase the chance of bleeding.

Can you live a long life on blood thinners?

Indeed, a large number of people who use blood thinners enjoy long, healthy lives. To avoid difficulties, it’s crucial to stick to the recommended dosage and frequently check blood levels.

Do blood thinners make you lose your appetite?

No evidence exists to support the claim that blood thinners impact appetite.

Do blood thinners make you gain weight?

No, there is no proof that blood thinners make you gain weight.

What food makes your blood thinner?

Garlic, ginger, turmeric, and the omega-3 fatty acids in fish and nuts are among the foods that may help thin the blood.

What are the best ways to lose weight?

The best methods for losing weight are to eat a balanced diet, exercise frequently, get enough rest, and manage stress.

What makes your blood thinner?

Blood thinners function by lessening the blood’s capacity to clot. Aspirin and heparin are two examples of drugs and natural chemicals that can thin the blood.

Is it possible to stop the blood thinners all at once?

Before abruptly stopping blood thinners, it’s crucial to speak with your doctor because doing so increases the risk of blood clots and other issues.

Can blood thinners make you feel tired?

Certainly, exhaustion or tiredness can be a side effect of some blood thinners.

How do you know if you need blood thinners?

Based on your medical history, risk factors, and the existence of specific illnesses like atrial fibrillation or a history of blood clots, your healthcare professional will decide if you require blood thinners.

I’m on blood thinners, and I suffer from epistaxis a lot these days. What can I do?

If you frequently get nosebleeds while taking blood thinners, it’s vital to talk to your doctor for guidance on how to stop the bleeding and, if required, change the dosage of your prescription.

How long should you be on blood thinners?

Depending on the reason for taking blood thinners, a person may need to take them for a specific amount of time. Some may need to take them for the rest of their lives, while others may just need to take them temporarily.

Can you be on blood thinners for life?

Indeed, in order to avoid blood clots and lower the chance of a stroke, heart attack, or other cardiovascular diseases, some people may need to take blood thinners for the remainder of their lives.

Do blood thinners make you tired?

Certainly, exhaustion or tiredness can be a side effect of some blood thinners.

How long before blood thinners start to work?

Depending on the drug being taken, different blood thinners begin to function at different times. While some blood thinners take many days or weeks to take effect, others may start acting right away. Further details on the exact drug you are taking can be found with the help of your healthcare professional.


  1. “Weight Gain and Blood Thinners: A Complex Relationship” by Karen Hurd, MS, RD, LDN (
  2. “Can Blood Thinners Cause Weight Loss?” by Jon Johnson (
  3. “Weight Loss While Taking Blood Thinners” by Susan Paretts (
  4. “The Effect of Warfarin on Weight and BMI: A Systematic Review and Meta-Analysis” by Susan J. Diem et al. (
  5. “Weight Loss and Anticoagulation: A New Challenge in Clinical Practice” by Giancarlo Agnelli and Cecilia Becattini (

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