Does CBD Oil Thin Your Blood

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Does CBD Thin Your Blood? A question that has been messaged to me multiple times over the past month, I wanted to cover off whether CBD thins your blood, how different products might affect this Does CBD oil act as a blood thinner by itself? How does CBD oil interact with anticoagulants like warfarin? Should you stop taking CBD before an operation? Find out these answers and more in this comprehensive guide on CBD oil and blood thinners! Is CBD oil good for you? Bad for you? Something in between? What are the side effects of CBD oil?

Does CBD Thin Your Blood?

A question that has been messaged to me multiple times over the past month, I wanted to cover off whether CBD thins your blood, how different products might affect this and why this is important for you.

As you take CBD oil, one of the side effects is it can increase the quantity of coumadin, which is known to thin your blood. Coumadin, also known as Warfarin Sodium, is an anticoagulant, which means it thins the blood and extends the time it takes to clot the blood. As you can imagine, there are many medical reasons why this might be wanted.

CBD has been shown in multiple studies to dilate blood vessels, which in turn helps the circulatory system, such as this test which showed a small quantity had a significant impact on the test subjects blood pressure in stress situations.

Another test, performed on an obese rat (again, another reason why we need more human testing as most of the tests are based on rats currently) showed that the cannabis extract had the anticoagulant effect they were aiming for.

Grapefruit Effect

For anyone who hasn’t heard of the grapefruit effect, it is that taking a grapefruit when having a blood thinner medication can have an effect on the medicine working. The main medicines that are affected by eating grapefruits include statins, calcium channel blockers, entocort, cyclosporin and cytotoxic medicines. It should be stated that this isn’t a definitive list, there are many more, which is why you must speak to your doctor.

It affects the medicine by increasing the amount in your blood, which can obviously have side effects or change the way it is meant to work.

The same effects have been seen when taking CBD oil, therefore if you are taking any of these medications then it might not be recommendable to have CBD oil.

Considering all of these factors, this is why it is even more important that the brands are held to account and deliver the quantities they state on the pack. As it stands, they are registered as food supplements rather than medicine, meaning the regulations are more relaxed, so you should read up on the third party lab test results and only opt for reputable brands. Ignore anything which is being produced in China, I promise you that!

Is There A Difference Between Topical & Oral?

Absolutely, in most tests, when taken topically (on the skin, such as a cream), it didn’t thin your blood, meaning you could gain all the benefits associated with a CBD cream without the worry of what it might do if on medication. Having said that, people who are taking CBD oil sublingually are normally after a very different treatment than if they are using a cream.

None Before Tattoo’s

Just the same as being told you can’t take painkillers or drink alcohol before getting a tattoo, as the blood becomes very thin, pours out and makes it much harder for the artist, the exact same has been witnessed with CBD oil. Obviously, this is a frustration for people who were hoping to take it to calm their nerves before getting this procedure done.

Just the same, you might want to consider this if you are having any work done or an operation. It might help to calm your nerves, but the doctor will have to know about this and will most likely to tell you not to take any in the days leading up to this, but once again, you should speak to a medical professional beforehand.

Does That Mean It Is A Bad Thing?

No, absolutely not, this could be opening up huge new opportunities to tackle some of our biggest health issues, such as strokes and heart disease. Having said that, we need a huge amount more test studies to be taken before anyone can state one way or the other.

Can CBD Oil Thin Your Blood?

Given what it can do, it’s no wonder people are concerned about the possible side effects of CBD oil. Researchers and scientists are steadily building knowledge about CBD and other cannabinoids to find out how and to what extent they relieve pain, help our stress responses, regulate sleep, and more.

More is being discovered about CBD and cannabinoids all the time, which is why questions about its side effects keep coming up. We do know that it can interact with some medications and have dire consequences for people with heart issues and other risk factors.

Does CBD oil act as a blood thinner by itself? How does CBD oil interact with anticoagulants like warfarin? Should you stop taking CBD before an operation? Find out these answers and more in this comprehensive guide to CBD oil and blood thinners.

The Basics Of Blood Thinners

Arteries, veins, and capillaries are the three kinds of blood vessels that transport blood around the human body. The average speed of blood is between 3 and 4 miles per hour – pretty fast considering the average height of an adult human male is 176.5 centimeters, or 0.001 miles.

When your body needs to stem blood flow – for instance, when you get a cut or an injury – it makes cells called platelets that group together to create blood clots. You might have heard of clotting issues like Deep Vein Thrombosis and the buildup of plaque on artery walls that can lead to pulmonary embolisms and other serious health problems.

Blood thinners are meant to address and prevent these issues. Blood thinners don’t actually make your blood thinner or dilute it in any way. They work by stopping the formation of blood clots and preventing existing blood clots from getting any bigger. People who have had heart attacks or a stroke are prescribed blood thinners to prevent future ones.

The human body needs to be able to thin blood and create clots based on new conditions. According to one study , cannabidiol (CBD) “inhibits CYP2C19, increasing levels of the active metabolite of clobazam threefold.” The researchers also add that smoking marijuana could have “serious interactions with drugs like warfarin,” warfarin being a common anticoagulant sold under the name Coumadin among others.

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What this basically indicates is that there is very likely a possibility that CBD and other hemp extracts can inhibit the inhibitors, essentially wrecking the efficacy of blood thinners like warfarin. But what about people who aren’t on blood thinners? Should they be worried about taking CBD oil?

CBD Oil & Thinning Blood

The danger with combining CBD oil and blood-thinning medications is that both can act as blood thinners, thinning your blood more than your doctor intended. That would seem to indicate that CBD oil has anticoagulant effects on its own.

A study found that cannabis sativa and the cannabinoids tetrahydrocannabinol (THC) and cannabinol (CBN) “ display anticoagulant activity ” when introduced in an animal specimen. CBD wasn’t singled out with the other two extracts. So do CBD products have the same effect as the two cannabis plant extractions mentioned in that study?

The widely accepted answer is that yes, CBD oil has some effect on the thinness of your blood. Harvard Health Publishing , for example, has said that CBD can “increase the level of blood thinning and other medicines in your blood by competing for the liver enzymes that break down these drugs.”

They do go on to mention that grapefruit is known to have a similar effect. The National Health Service (NHS) in the UK instructs readers taking warfarin to avoid grapefruit juice but also mentions some different blood-thinning medications that present less of a risk when grapefruit juice is present in the body and competing with medication in the liver’s enzyme system.

If we follow the logic backward, it appears reasonable to draw the conclusion that anyone worried about a negative drug interaction, bleeding complication, suffering from heart disease, having a history of strokes, or otherwise concerned or vulnerable to potential complications from CBD products should avoid taking them without discussing them with a medical professional first.

Reduce Risk With Trusted Brands

Follow medical advice from a trusted doctor or qualified professional when you start a CBD oil regimen. If you’ve agreed that CBD is a viable treatment option or that you don’t have risk factors that counter its potential health benefits, you have to make sure you find the right provider that doesn’t include harmful additives in their products.

Whether you’re using edibles, full-spectrum CBD, terpenes, cannabis extract, topicals, hemp oil, or a tincture, make sure you find one with a list of all active ingredients. In case you’re looking for a worst-case scenario, the FDA put out a warning in 2018 that some synthetic cannabinoid products were found to be laced with an anticoagulant called brodifacoum that’s typically found in rat poison.

Since these were described as being sold at gas stations and convenience stores, it’s highly likely they weren’t coming from the most reputable suppliers out there. Do your research and make sure you know exactly what you’re taking before you start taking CBD oil or any similar product. The FDA doesn’t regulate supplements, so shopping around is paramount.

Is CBD Oil An Operation Risk?

Some doctors ask patients to stop taking CBD oil 48 hours or more before a scheduled procedure while others don’t think it’s a serious risk. Doubtless, trained medical professionals know what to look for in individuals so they can make an informed decision about what’s best. It might be comforting to know that, in most cases at least, a history of CBD consumption won’t automatically prevent doctors from getting people the treatment they need.

An example case study from 2017 describes a 44-year old caucasian male who had been having seizures starting when he was 27. The seizures followed a stroke that followed cardiac surgery. The mechanical valve put in place during the cardiac surgery and the nature of his seizures made the 44-year old a bad candidate for surgery, so his doctors opted to refer him to the University of Alabama’s CBD program.

He was taking the blood thinner warfarin in addition to a few other medications to keep his International Normalized Ratio (INR) in line with what was healthy. According to the case study, the patient’s primary care physician slowly lowered his dose of warfarin in tandem with the increase in CBD administered. The final recommendation of the case study is to use INR monitoring when CBD treatment is being administered alongside prescription drugs like warfarin or heparin.

This is a great illustration of an apparently common method of managing the potential risk of CBD’s antiplatelet effects. At the end of the case study, the 44-year old was taking a dose of warfarin that was about 30% lower than when he started and continuing to have CBD administered.

So even if the research about CBDs’ effects on blood thinning and interactions with blood thinners is still far from complete, it’s clear medical professionals are being precautious. It’s best to trust the advice of a trusted medical professional to make sure you’re taking CBD as safely as possible.

Does CBD Oil Lower Your Blood Pressure?

The studies are pretty much across the board on this question. One promising experiment from 2017 indicated that “acute administration of CBD reduces resting blood pressure and the blood pressure increase to stress in humans, associated with an increased heart rate,” which basically means that the 9 participants in the study experienced a drop in their resting blood pressure after a single dose of cannabidiol.

What does that mean for people who have to bring their blood pressure over time, can a regimen of CBD oil accomplish the task? That’s where the research gets a bit less promising. One study from 2020 remarks that CBD “has not affected blood pressure in hypertensive animals.” The same study mentions that most incidents of hypotensive action (low blood pressure) occurred mainly during stress conditions.

Other studies seem to point to some positive results on blood pressure when participants take CBD in moments of stress. However, the evidence either doesn’t support or isn’t conclusive enough to support the idea that CBD is a viable treatment option for lower blood pressure over the long term. You might think that thinner blood automatically creates lower blood pressure, but the two concepts aren’t related.

The beating of your heart creates blood pressure while clotting is meant to stop internal and external bleeding. Adding platelets to the bloodstream doesn’t impact blood pressure. Even when platelets completely block the bloodstream like they do in thrombosis, blood pressure doesn’t change.

But that acute drop in blood pressure could possibly cause problems in certain individuals. If you have problems with your blood pressure being too low in general, it might not be a great idea to consume CBD oil and similar products that source from the hemp plant.

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Is CBD Oil Safe?

Ok, so if CBD oil can possibly interact with prescription medications and cause blood to thin and blood pressure to drop following consumption, is it safe to take? Only your doctor can tell you for sure whether it’s a smart treatment option for you. Many have used it to successfully treat epilepsy, anxiety, narcolepsy, and insomnia. By and large, it appears that it is “ a promising candidate of both somatic and psychiatric disorders .”

Many people take CBD oil without any issue. It isn’t psychoactive and there is no indication that it has any addictive qualities. For the majority of people, taking CBD oil from a reputable source where you can see all the active ingredients and none are harmful shouldn’t be a problem.

It’s not as intense as medical marijuana and is available in some places where Mary Jane is not. Many people have used it for pain management or just to relax. People respond differently to these products depending on their individual body chemistry and the context in which they take them.

Some healthcare professionals view CBD oil as a safe alternative to opioids and other prescription treatments for anxiety and sleep disorders. By and large, it is safe. But you should still consult a doctor or another healthcare provider to determine whether you can and are likely to benefit from CBD oil.

Does CBD Oil Thin Blood More Than Other Cannabinoids?

Marijuana as a whole and CBD oil as a part of the whole have both been found to have anticoagulant properties. The best course of action is to avoid hemp-based edible or consumable products if you’re taking heart medication and can’t reach a doctor to get a decision on whether or not CBD oil, edibles, topicals, or even THC products would be dangerous for you to take.

As far as whether CBD oil possesses a blood-thinning capability superior to other extracts from hemp, there’s not much research available on the topic. Out of an abundance of caution, don’t assume that any one product will have less of a blood-thinning effect than another one unless a doctor has told you so.

Despite the indications that CBD oil and other hemp-based products interact badly with blood thinners and could cause your body’s clot-producing ability to fall below where it should be, anecdotal information on the internet seems to indicate that some doctors don’t think it’s a big risk.

Still, an in-person doctor would know best about your health condition and what kinds of factors will have an impact on it. Ask a medical professional before you start taking CBD oil if you’re on blood thinners or at risk for stroke or heart attack. There’s a chance they’ll say it’s fine, but if they say it isn’t you should follow their instructions.

Conclusion

CBD oil has had many positive effects on users’ stress levels and allowed them to sleep more soundly during the night. Doctors have administered CBD oil for epilepsy, narcolepsy, and generalized anxiety disorders. It’s useful for relaxing without the psychoactive characteristics of marijuana or THC.

But marijuana and hemp-derived compounds have been found to interact poorly with blood thinners. For people who take these sorts of prescription medications, anything sourced from the hemp plant could cause some problems.

The danger of taking CBD oil on top of blood thinners is that your blood will become “too thin,” in essence, both of them perform the same function in terms of platelets. So you’d essentially be taking too much of what you need to stay healthy, which can be as disastrous as not staying healthy at all.

Still, the way doctors have balanced CBD administration with steadily decreasing amounts of drugs like warfarin gives some hope that medical professionals will one day know for sure how to organize CBD regimens for people who have had strokes and heart attacks to make sure they can safely take CBD. They’ve already been successful in at least one case study.

For now, users of CBD should check with their doctors to make sure it’s safe for them to start or continue using the product. It’s worth an ask even if you think you’re low-risk. The better prepared and informed you are before you start your CBD regimen, the more beneficial it will be for you in the long run.

What Are the Side Effects of CBD Oil?

Is CBD oil good for you? Bad for you? Something in between? What are the side effects of CBD oil?

Cannabidiol, or CBD oil, is an extract from the cannabis plant. It has boomed in the wake of the legalized marijuana movement, now that businesses can grow and sell the substance freely in several states.

Advocates market CBD oil typically as a health supplement, and they do so comprehensively. It has started showing up everywhere from web banners to smoothie shops. While it has few recreational properties, CBD oil’s boom in recent years is through the quasi-medical field. Like turmeric, ginseng and tinctures, CBD oil promises to ease a wide variety of ailments without the invasiveness of pharmaceutical drugs.

The question is… what is it really doing to you?

Does CBD Oil Work?

Cannabidiol is one of the two active ingredients in marijuana, but on its own is not enough to get you high. It can, though, help you feel better under the right circumstances.

While doctors and researchers take CBD oil’s role in medicine seriously, much of its profile has been raised by salesmen who make extravagant promises that no medicine (no less supplement) could hope to fulfill.

Some CBD oil salesmen promise that their product can cure everything from anxiety to cancer. They cram it into every product that can soak up a liquid, including gummies, shampoo, toothpastes and even pills for your cat. In the low-water mark for any “medical” supplement, you can now buy it at many juice bars and coffee shops as an additive that can somehow take your banana-strawberry smoothie to 11.

All of which is a shame, because this associates CBD oil with the bottomless deceit that is the world of medical supplements. Yet the substance has some early promise. As noted on Harvard Medical School’s website, CBD oil has some evidence linking it to treatment for epilepsy, seizures, chronic pain and arthritis.

There isn’t enough evidence to say that the oil definitely does help with these things, nor that simply cramming some in a milkshake will do the slightest bit of good, just that doctors are optimistic about their research. For more information on the medicine of CBD oil, see our article here.

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What Are the Side Effects?

That’s how CBD oil might help. But can it hurt? Usually, no. It is generally not habit-forming, and most side effects are minor.

According to a report by the World Health Organization, “CBD appears to have little effect on conditioned place preference or intracranial self-stimulation… [It] exhibits no effects indicative of any abuse or dependence potential.”

“To date, there is no evidence of public health related problems associated with the use of pure CBD.”

In other words, there is no evidence at the moment that CBD oil tends to be either physically or psychologically habit forming.

Dangerous Side Effects of CBD Oil

There are some known real risks to CBD oil, however. Be absolutely certain to consult a doctor before using CBD oil if any of the below apply to you.

It can lower your blood pressure and interact with medication.

Mostly, CBD oil is benign. Its side effects might leave you feeling unwell for a little while, but they will pass. But this is a medication, even if it is marketed carelessly, and that means it can have a powerful effect on your body.

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CBD oil can act as a blood thinner and in doing so it can lower your blood pressure. For someone who has issues with blood pressure this can pose very real risks.

It can also interact with medications through “the exact same mechanism that grapefruit juice does,” according to an article on the Harvard health blog. While rarely a significant concern, on certain medications these interactions can be harmful or even deadly, according to the FDA. If you have blood pressure issues, are taking prescription drugs or have ever been warned about ingesting fruit juice, citrus or fermented products, consult your doctor before touching CBD oil.

It can make Parkinson’s disease worse.

Some research indicates that CBD oil can exacerbate the symptoms of Parkinson’s Disease. This research is ongoing, but patients should avoid the product until more definitive results come out.

Mild Side Effects of CBD Oil

Most of the side effects of CBD oil are moderate. Unless you fall into one of the specific categories above, the odds are that this is a generally benign product with limited negative consequences, according to one research paper. Most of those include:

It can cause nausea and general sickness.

Nausea and gastrointestinal issues are a pretty common side effect of CBD oil. This can lead to vomiting, diarrhea, dizziness and other symptoms associated with a digestive problem (think how you would feel after eating something that disagreed with you). In part, some people simply don’t digest CBD oil well. This is not uncommon with oils and supplements.

However, this is also often caused by the fact that this is an unregulated supplement. There are no standards for dosage and safe measurement, so it’s quite possible that you could get an amount far in excess of what your body can handle. At this point, your body will simply flush it out. Unpleasantly.

It can cause drowsiness and light-headedness.

This side effect should come as no surprise. Doctors have long looked at cannabis as a treatment for sleep disorders, and CBD oil is no exception. Putting you to sleep is a feature, not a bug. Just don’t be surprised if your CBD latte doesn’t pack the caffeine punch you expected.

It can cause loss of appetite and dry mouth.

Ironically, perhaps, for a cannabis product, CBD oil has been linked to loss of appetite in some people. Along with dry mouth, it can simply leave you feeling unpleasant after ingesting. As with most other side effects, this will pass in time.

Is CBD Oil Legal?

Like all things marijuana, the legal status of CBD oil is ambiguous and highly state-dependent. While many states have legalized it for production and sale, this still violates federal law. The Department of Justice has currently decided not to prosecute individuals for possession and sale of marijuana products in states where this is legal, but that’s a discretionary act.

Once again this gets complicated. When extracted from cannabis, CBD oil counts as a marijuana product. However, in some cases growers can produce CBD oil from hemp. The 2018 Agriculture Improvement Act made this form of CBD oil production legal under federal law.

Cannabis-extract CBD oil is typically legal in states that have also legalized recreational marijuana, however its status is usually complicated.

CBD oil in all forms is regulated as a medical supplement, because this is typically how it is advertised. As a result, only five states currently have no significant restrictions on its sale and consumption. Every other state has either restricted it through marijuana laws or limits the sale of CBD oil in some form, whether through food and drink regulation, medical regulation or other forms of restriction.

In short, there’s a different answer for this question for every single state. Make sure to research the laws of your state carefully, and for more information check out our article here.

The Bottom Line

Like most supplements, CBD oil rarely does what it promises. It does have some early medical potential, and doctors may prescribe it for patients at risk of seizure or with inflammatory issues. However, as an over-the-counter oil or when infused into a snack cake it probably won’t do you much good. You may see some benefits in connection with CBD oil’s anti-anxiety or sleep aid properties, but the odds are that any real improvements are largely psychosomatic.

Still, if it works for you there’s probably no harm in it either. Unless you fall into one of the specific categories listed above, CBD oil’s side effects are generally mild and of limited duration. Like with all medical changes, alert your doctor if you begin taking it regularly, but otherwise it will probably do neither harm nor good.

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