Cbd oil for dogs with thyroid cancer

CBD Oil for Dogs With Cancer — Can it Help?

While CBD oil can’t cure cancer in dogs, it may help with symptoms and support other medications. We look at the possible benefits of CBD oil for dogs with cancer.

Given that CBD oil has plenty of benefits for humans, it isn’t too much of a surprise that it may be helpful to your canine companion, too – especially if they’re battling cancer.

With a lack of formal studies on how CBD affects dogs with cancer, you may be wondering: how does CBD oil work, and is it something you should give a dog dealing with cancer? Below, there’s an in-depth guide on the ins and outs of CBD oil for dogs with cancer.

(Note: Some of our articles refer to medical conditions in dogs; you should always consult a veterinarian when seeking medical advice.)

Cancer in Dogs

Cancer can be a broad term, and it doesn’t always look the same in canines as it would in humans. From tiny spots of skin cancer to fast-growing tumors, here’s what you need to know.

How Common is Cancer in Dogs?

Unfortunately, cancer in dogs is almost as common as cancer in people. Not only do six million canines get a cancer diagnosis every year, but estimates show that 1 in 4 dogs will get cancer in their lifetime. That number rises to close to 50% for dogs who are over the age of 10.

Although those statistics may seem bleak, the good news is that half of the canine cancers can be treated if they’re caught early enough.

Types of Cancer in Dogs

Like humans, cancer encompasses a wide variety of cancer types, and not all of them have the same treatments. Some of the more common types of cancer include:

  • Bladder cancer
  • Bone cancer
  • Breast cancer
  • Hemangiosarcoma
  • Liver cancer
  • Lymphoma
  • Mast cell tumors
  • Melanoma
  • Prostate cancer (dogs are the only nonhuman species that can develop prostate cancer)
  • Oral melanoma
  • Stomach cancer
  • Soft-tissue sarcoma
  • Testicular cancer
  • Thyroid cancer

Like human cancers, canine cancer is staged from stage 0 to stage IV to identify how much the cancer has spread.

Signs Your Dog Might Have Cancer

Cancer symptoms can vary based on the type of cancer and the stage that it’s in, but if you see one or more of these symptoms, it may be time to schedule an appointment with your vet:

  • Abdominal distention: If your dog’s stomach or belly suddenly seems larger or distends, this could indicate a mass in the abdomen or unusual bleeding. Your vet will most likely run an ultrasound or radiograph to diagnose what’s going on.
  • An enlarged lump: Whether it’s an unusual mole that keeps getting bigger or a lump that won’t stop changing shape, your dog should get a biopsy to ensure it’s not cancerous.
  • Chronic weight loss: If you haven’t placed your dog on a diet and you’re noticing weight loss, you should get them checked out. Weight loss doesn’t always mean cancer, but it can be a symptom.
  • Chronic diarrhea or vomiting: Diarrhea or vomiting that seems to be ongoing could indicate a tumor in the gastrointestinal tract.
  • Cough: A cough doesn’t always mean cancer, but a dry, non-productive cough can be a potential sign in older pets.
  • Lameness or limping: One symptom of bone cancer in older pets is unexplained lameness or limping, especially in large and giant dog breeds.
  • Oral odor or smell: If you notice that your dog has bad breath, they may just need their teeth cleaned, but it’s also a symptom of oral tumors.
  • Straining/unable to urinate: Straining while urinating, pain, or even bleeding can be signs of a UTI, but in rare cases, this can be a sign of bladder cancer.
  • Swollen lymph nodes: Lymph nodes are located throughout your dog’s body but behind the jaw or knee. Enlarged lymph nodes can sometimes be a symptom of a specific type of cancer, lymphoma.
  • Unexplained bleeding: Whether your dog is bleeding from their mouth, nose, or genitals, you should get any unexplained bleeding checked out immediately.

Although these symptoms don’t always equal cancer, and they may not be the only ones you see, it’s always a good idea to schedule a vet appointment as soon as possible if you notice one or more of them.

Diagnosing and Treating Your Dog

Diagnosing cancer will often depend on the type of cancer your vet suspects that your canine has. For instance, gastrointestinal cancer may be detected by an ultrasound or radiograph, while they may biopsy skin cancer.

Vets may often run multiple tests so they can determine how much the cancer has spread and come up with a treatment plan for it. Treatment options are also vast, and depending on the severity of the cancer, some vets might recommend you to a veterinary oncologist for treatment after they make a diagnosis.

According to Dr. Diane Brown of the AKC Canine Health Foundation, “Options may include surgical treatment, combination therapy of surgery and chemotherapy, radiation therapy, chemotherapy alone, and immunotherapy.”

Chemotherapy and radiation, two common treatments for canine cancer, happen a little differently with dogs than in humans. Your vet may recommend an injection, pill, or an IV for chemotherapy, but your dog will need to go under anesthesia for radiation therapy.

Keep in mind that treating cancer is a multi-faceted approach, and your vet may also prescribe pain medication to keep your dog comfortable during treatment. And, in some cases, your vet may suggest using CBD oil along with other treatments – but we’ll get into that below.

CBD Oil for Treating Dogs with Cancer

Since it’s still a relatively new concept, not all vets may suggest using CBD oil to help with your dog’s cancer unless you bring it up – but there is evidence to suggest that it could help.

CBD Oil is Not a Cure for Cancer

Before discussing how CBD oil can help, it’s important to note that it’s not a cure for cancer or a substitute for actual treatment options. When it’s used in dogs with cancer, CBD oil supports other treatment options, but it shouldn’t be used on its own.

Some CBD manufacturers may try to imply or market their CBD products as cancer cures, but these claims are false and irresponsible.

Can CBD Oil Help Dogs with Cancer?

When it’s used in combination with other treatment options, like chemotherapy or surgery, CBD oil may be able to help dogs with cancer – in a couple of different ways:

  • Helps inflammation and pain: Treating a dog’s pain throughout cancer treatment is almost as important as treating the cancer itself. Studies suggest that CBD may be able to help your canine’s pain on its own or even enhance the effectiveness of other pain medications.
  • Can support anti-tumor medication: Surprisingly, research has shown that CBD oil can have anti-tumor effects in certain cancers such as breast cancer, leukemia, lung, or colon cancer. In addition to its own anti-tumor effects, it may even increase the effects of other anti-tumor treatments your dog is taking.
  • Boosts the immune system: Your dog’s endocannabinoid system and immune system are closely related, which is why it’s not a huge surprise that research shows CBD oil may be able to boost the immune system by reducing oxidative stress.
  • Helps with nausea and appetite: One of the most common side effects of cancer treatments for dogs is nausea and a loss of appetite. CBD oil has shown benefits for increasing your dog’s appetite and reducing nausea.
  • Improves canine sleep: CBD oil promotes better “wake time” during the day, which may seem counterintuitive to a good night’s rest, but it’s not. With better “wake time” on CBD oil, dogs may have better rest when they do sleep.
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Do Veterinarians Recommend CBD for Cancer in Dogs?

Not all vets may suggest CBD oil as a natural remedy to give your dog, but as more research is done on the topic, more and more vets are enthusiastic about the role of CBD in cancer treatment. As mentioned, CBD oil isn’t a cure for cancer, but it does show potential for reducing cancer pain, improving appetite, and even fighting off tumors.

Before you give your dog a dose of CBD oil, speak to your vet about whether it’s the right choice for your dog’s treatment plan.

CBD oil is increasingly recommended by veterinarians for a host of other issues as well, including arthritis, epilepsy, seizures, and separation anxiety.

About CBD Oil

Although we’ve discussed the role of CBD oil for dogs with cancer, here are a few other facts about CBD oil.

What is CBD Oil?

CBD oil is made by extracting CBD from the cannabis plant and then diluting it with either hemp seed oil or coconut oil. Keep in mind that medical marijuana and CBD oil are not the same – CBD does not contain any THC, the psychoactive ingredient in marijuana.

CBD works by affecting the body’s endocannabinoid system, which is something that both humans and dogs have.

While it is derived from marijuana, CBD oil contains no more than 0.3% of THC, making it federally legal.

Recommended CBD Oil

We have used CBD oil from holistapet.com with good results. It is formulated specifically for pets and contains 0% THC. Manufactured in the U.S., it is 100% organic, contains no GMO or additives, and is vegan. We recommend purchasing it in dropper bottle form, where it can easily be given directly on the dog’s tongue or onto food.

Regardless of where you get your CBD Oil, make sure you find a product that has been tested by a third-party and comes with a Certificate of Analysis (COA). This COA will detail how much CBD and THC the product contains and list any test results for contaminants, pesticides, and so on.


CBD dosing for dogs is a little different than humans, but if you’re purchasing CBD oil that’s made for dogs, the manufacturer will usually include dosing guidelines on the back of the bottle.

Dosing can often depend on your pup’s weight as well as other medical issues that they may have.

How is CBD Administered?

For dogs, CBD can be administered in a couple of different ways. Many companies make CBD oil in the form of tinctures, topical treatments for skin, and even dog treats or chews. We have found that the CBD oil in dropper bottle form provides the most accurate dosing.

Are There Any Risks?

Like any natural remedy, CBD oil can come with a few unsavory side effects, such as dry mouth, lowered blood pressure, or light drowsiness. Not all dogs may experience these side effects, but the higher the dose, the more likely you will see one or two of these issues.


While giving CBD oil for dogs with cancer won’t cure them of the disease, there is considerable anecdotal evidence that it may help alleviate cancer symptoms as well as support other cancer medications. Talk to your vet about how CBD oil may help your dog with cancer.

Using CBD Oil For Dogs with Cancer: What You Need To Know

Many of us are unfortunately all too well aware that cancer is a killer, but did you know it’s the leading cause of death in dogs ages ten and older? From risks to costs to decisions we’re never prepared to make, helping our dogs with cancer leaves many of us lost and confused. But we want you to know that experts believe about half of all cancers are curable. However, this is only if they are found early and given the proper treatment.

To help, we will be covering several major cancers common in dogs. We’ll go over the early signs and prevention of the cancer. Whether CBD for dogs with cancer can help and what the best CBD oil for cancer is. Last we’ll talk about how we can help dogs with cancer manage the side effects of common treatments like chemotherapy.

What is CBD Oil and How Does It Help With Dogs’ Cancer?

Known more formally as cannabidiol, full spectrum CBD is a cannabis-derived liquid that offers a myriad of health benefits for dogs with cancer. When cancer strikes, dogs are left to battle very draining side effects. It can become strenuous to fight cancer daily, but CBD is often said to be truly one of the few natural supplements that can help make the journey a bit more comfortable.

Just as people use medical marijuana to assist with health-related pain, pet CBD oil can be used similarly.

In a way, CBD is like medical marijuana for dogs that have cancer without the intoxicating effects. CBD helps with dog cancer in two main ways…

  • Provides symptom relief
  • Botanical extract supplement treatment options

Relief From Cancer Symptoms

One of the most appealing characteristics of full spectrum CBD for dogs with cancer is that it may help promote pain relief for dogs experiencing discomfort . There are many different side effects of not only cancer itself but of the methods of treating cancer in dogs, too. It can be incredibly difficult to watch our pets struggle with both cancer and the treatment for it. But stay rest assured pet parents, CBD may be able to provide a wealth of benefits. Such as better help with pain management.

The symptoms that each dog encounters will be unique to each dog, but some of the most common symptoms of canine cancer are:

  • Raised bumps under the skin
  • Difficulty breathing after exercise
  • Hard time breathing at leisure
  • Snoring or signs of sleep apnea
  • Unusual scents coming from the mouth
  • An odd-smelling coat
  • Open wounds that won’t heal on their own
  • Little to no appetite
  • No interest in eating favorite snacks
  • Excessive sleeping/naps
  • Low energy and disinterest in surroundings
  • Inability to urinate like usual
  • Clear signs of pain in your dog

Treatment Methods

It’s critical that dog owners remember that this is not a cancer treatment. For emphasis, CBD oil cannot treat cancer in dogs. It will not stop cancerous cells from growing, nor will it halt the progression of metastatic cancer cells in dogs. Instead of being a treatment, CBD is a way to relieve the not-so-great side effects of going through cancer treatment.

From chemotherapy and radiation to possible surgical removals and amputations, treatment options for dogs with cancer can become quite intense. CBD can be thought of as a healthy coping mechanism. By supporting pain and minimizing discomfort, CBD helps keep your dog comfortable while going through the motions of cancer treatment therapies.


When dogs become cancer-free after fighting cancerous cells in their body, they enter a phase known as remission. The hope is that your dog will stay in remission for the rest of their lives. Now, remember dog owners, just as CBD oil cannot treat cancer, CBD for dogs with cancer cannot prevent your dog’s body from growing cancerous cells in the future.

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As amazing as this is for cancerous dogs, please consult with your dog’s veterinarian before administering full spectrum CBD oil to your pet consistently. Researchers and scientists are still trying to fully understand how CBD interacts with the endocannabinoid system of dogs and how it affects a dog’s health.

However, so far clinical trials are showing incredibly promising results. Abbreviated as the ECS, the endocannabinoid system is an internal network — similar to the immune system or the lymphatic system, to name some examples — that focuses on breaking down cannabis compounds.

Types of Cancer in Dogs

Not all canine cancer is the same. While there are more than only six types of cancer in dogs, we’re going to zero in on the most common canine cancers seen in dogs every year. These five types of cancer in dogs are:

  • Bone Cancer
  • Hemangiosarcoma
  • Lymphoma
  • Mast Cell Tumors
  • Melanoma
  • Mammary cancer

Bone Cancer

Osteosarcoma in dogs is a type of cancer that originates in the actual bones of dogs. Cancer is most often discussed in terms of surrounding tissues, but bones can develop cancerous tumors as well. Bone cancer arises when cells called osteoclasts and osteoblasts start reproducing rapidly to the point where it becomes an abnormal production rate. From there, the cancer cells form a conglomerate known as a malignant osteosarcoma tumor.


Canine hemangiosarcoma is a cancer of the blood vessels. As a malignant form of canine cancer, hemangiosarcoma can spread to other parts of the body. It doesn’t help that the tumors make a home out of blood vessels because they naturally move throughout the dog’s body.

Most often, cases of hemangiosarcoma are seen in elderly dogs, as well as middle-aged canines. In terms of breeds, smaller dogs are less likely to come down with hemangiosarcoma as it usually affects medium-sized to very large dogs.


Lymphoma in dogs stems from an abnormal production of cancer cells in the lymphocytes of dogs. Also known as the white blood cells, lymphocytes are leading players in canine immune systems. They are massively vital in making sure your dog’s immune system is strong enough to defend your dog against infections that threaten your pet’s overall health. The wellbeing of your dog has much to do with lymphocytes, so lymphoma can be daunting as it threatens white blood cells.

Mast Cell Tumors

Mast cell tumors are made up of cancer cells formed by abnormally produced blood cells. These tumors also happen to be the most common form of canine cancer. When the cells become deformed or otherwise transformed from their normal state, they mass produce and become malignant.

These tumors are very opposed to treatment, mainly because they grow back very quickly. Not only that, but they have a high propensity for metastasizing as well, so the earlier the tumors are detected in dogs, the better!


Melanoma is a type of skin cancer that manifests as dark spots on your dog’s coat. Unlike many cases of canine skin cancer , melanoma tumors are evident from the outside. It’s best to locate and treat melanomas as soon as possible because they can grow to become quite aggressive in a concise timeframe.

Mammary Cancer

Common in un-spayed female dogs and dogs spayed after their first heat cycle, mammary cancer is cancer in the mammary tissue. Dogs have five pairs of mammary glands, one pair near the front armpits, another on the upper chest, two pairs along the abdomen, and a final pair near the groin.

Most dogs show no signs related to a mammary tumor, however, they can bleed, and a dog might frequently lick the area. Instead, these tumors are most often found when the pet owner is petting their dog.

What Kills Cancer Cells In Dogs?

Cancer cells are incredibly difficult to kill without hurting the healthy cells around them. This is because the best treatments we have, struggle to distinguish between the good and the bad cells.

In some cases, such as skin cancer, the cancerous cells can be surgically removed without damaging the healthy cells. However, for most cancers, cancer drugs that damage the DNA and RNA of cancer cells, rendering them unable to divide, are needed.

The clever aspect of conventional cancer treatments like chemotherapy is they are attracted to killing cells that are in the dividing stage. While our healthy cells divide, cancerous cells divide uncontrollably at a rapid pace, resulting in tumors or masses. So while our best cancer drugs do unfortunately kill healthy cells and can be seen by some as an invasive treatment, they significantly kill more cancerous cells.

Is CBD Legal for Dogs?

Something that uncontrollably comes to mind when talking about CBD oil and other CBD products is the question of legality. Is CBD legal? And if so, are there parameters surrounding hemp oil for dogs? The last thing you’d want to do when trying to improve your dog’s quality of life is to break federal or state-level laws.

So, let’s take a look at the information surrounding whether or not CBD for dogs is legal. Technically, CBD is legal in every state within the United States of America. However, the one caveat is that the CBD and all related CBD products must be derived from a hemp/cannabis sativa plant, not marijuana. Both the hemp and marijuana plant are part of the cannabis family tree, but there’s a severe difference between the two plants.

In short, hemp plants are cannabis plants containing no more than 0.3% THC, whereas marijuana plants contain much greater THC concentrations. The fact that CBD oil must be hemp-derived in the USA works perfectly well for situations involving pets because CBD extracted from hemp is the only kind of CBD suitable for dogs.

What Effects Does CBD Have on a Dog?

Many dog owners find CBD has a calming sedative effect on dogs with cancer, providing natural relief. CBD is known for its healing effects, so soothing an anxious mind, minimizing the physical manifestations of stress, and calming an otherwise antsy dog are three examples of CBD’s effects at play. CBD does an excellent job of providing dogs with peace and tranquility during situations that would typically elicit the polar opposite emotional responses.

Hemp CBD oil works by interacting with the endocannabinoid system or ECS. The endocannabinoid system is responsible for regulating other regulatory systems like the nervous and immune systems. This is why CBD oil and other CBD products can help a dog’s endocannabinoid system, potentially lowering pain and inflammation, to name a few.

There is some thought that the endocannabinoid system can influence cancer cells by slowing their growth or hindering their ability to divide. However, our understanding of this is very young, and right now, it’s probably not much. As such, we never recommend CBD oil or another CBD product replace a cancer treatment advised by your vet.

Are There Any Negative Side Effects for Dogs?

Many people view the sedative nature of hemp CBD as being a positive effect on dogs that have cancer. CBD doesn’t usually make dogs tired unless too much oil is administered. When this happens, the relaxing effects of cannabidiol for dogs can be viewed as a negative side effect , especially when it’s not conducive for your dog to fall asleep.

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Let’s say you’re taking your dog in for a follow-up after a recent chemotherapy appointment, but your dog happens to get very anxious in doctor’s offices. So, to combat the anxiety on top of the pre-existing physical discomfort from the chemotherapy, you decide to administer the oil to your dog. If you miscalculate the dose and give too much CBD to your dog, your dog will end up walking into their appointment in a deep slumber.

This is a moment in time where a seemingly positive effect of CBD turns into something inconvenient. But thankfully, this is an example of how the downsides of CBD oil for dogs with cancer are very minor. And it’s entirely preventable, too. Make sure you read the instructions and recommended dosing directions on the side of your CBD container for dogs. CBD dosages are based on body weight.

An Honest Look At CBD For Dogs With Cancer

In the large majority of cases, the biggest side effect a dog may experience with CBD is little to no benefits at all. However, cancer, along with common cancer treatments, can really wear down the body and ECS, causing a long list of side effects that CBD has commonly been shown to help — from loss of appetite to pain.

When discussing your dog’s treatment plan and cancer diagnosis with your vet, make sure to include CBD in the conversation if you’re interested in using it or another cannabis product. CBD oil is one of the common food/supplements that can mess with CYP enzymes and their ability to metabolize certain prescription drugs.

Like others, this usually occurs with higher than normal dosages. Most dogs with cancer respond well to CBD, and it fits into their treatment plan without any trouble or side effects of its own.

Are There Different Kinds of CBD for Dogs I Can Get Prescribed?

A prescription is not necessary for purchasing pet CBD oils or CBD dog treats. Buying this for canines with cancer has never been easier thanks to online companies like Innovet. Now, pet owners can buy CBD more efficiently than ever before. As pet owners, all you need to do is visit the Innovet website , select the products you think will benefit your dog, and complete your purchase!

You have the option of broad spectrum and full spectrum CBD for your pet owners. Either is fine, with full spectrum being the most widely used form of CBD oil for dogs and cats. Both broad spectrum CBD and full spectrum CBD are legally required to contain no more than 0.3% THC . This amount of THC pales in comparison to the 20-90%+ items you’ll find with marijuana products. This is why CBD products can’t cause a high when following hemp laws.

CBD Oils For Other Pets?

The benefits of CBD for dogs with cancer often get other pet owners wondering if it can help their cat or even their horse. While the majority of CBD research has been performed on humans, mice, and dogs, we’ve been able to gather that CBD essentially works the same for all mammals, thanks to the ECS.

Now there can be some differences between species due to variations in how they metabolize things and the make-up of their ECS. That’s why for any pet owner, it’s a great idea to discuss CBD with your veterinarian if you’re unsure about how CBD may affect your pet.

How Can I Get A Hold of CBD Oil?

With CBD able to improve your dog’s quality of life, you’re probably eager to try it. Look no further than the inventory at Innovet Pet. We have a wide array of CBD products for dogs with cancer to choose from, including:

  • Canine cannabidiol oil
  • CBD oils and creams
  • And more!

Our CBD oil comes in full spectrum instead of broad spectrum. Currently, with all the information we have, while broad spectrum CBD is great, it’s not the best for the extreme majority of dogs. The entourage effect of broad spectrum CBD just doesn’t compare to full spectrum, and that’s really important for

Is CBD the Best Option for My Dog?

When looking into companies that sell pet CBD marketed toward dogs, it’s essential to look at the quality control and overall process behind the making of CBD. You want to ensure that the CBD is tested by third-party laboratories to guarantee the CBD is of high quality.

Locally sourced hemp plants are best, so seek out CBD that is sourced in the United States. Last but not least, avoid CBD products containing preservatives, additives, by-products, or anything else.

Innovet Pet’s Full Spectrum CBD

Our full spectrum CBD oil for dogs is organic, hemp-based cannabidiol oil, which we source from the U.S. states of Colorado and Oregon. We create our CBD oil with your dogs in mind, meaning it’s 100% safe for your canine companions to consume. As a full-spectrum CBD product, the entourage effect ensures that your dog is getting the most out of every drop of oil from Innovet Pet.

Our products are manufactured in the U.S., but we trust our friends in Belgium with the hemp carrier oil that goes into Innovet CBD. Hemp oil is even seen as preferable over MCT coconut oil. Everything about our pet CBD for dogs is legal in the U.S. so you can place your orders online without any hesitation! Did we mention our CBD is entirely natural?

That’s right! There’s not a single pesticide, GMO, by-product, additive, or preservative in our CBD for dogs. Because we think hemp is amazing enough on its own, we choose hemp seed oil as the required carrier for CBD oil. In fact, not only is hemp wonderful enough on its own, hemp seed oil is the smarter choice vs. MCT oil which lacks nutrition and is higher in bad calories.

Read more about the best CBD oil for dogs by checking out our inventory.

Other CBD Products For Cancer Treatment

Besides our CBD oil, we have our dog treats, hemp-based creams, and capsules, great for help with loss of appetite and general health, along with pain and inflammation. We recommend CBD oils first only because it makes administering CBD and customizing the dosage the easiest.

You can directly give it to your dog or mix it into your dog’s food. Although research on the use of CBD for dogs with cancer has mostly been performed with CBD oils, any form of CBD, like CBD dog treats, should provide the same range of benefits.

Final Words CBD Oil Use For Cancer

We want to stress the importance of not using CBD oil and hemp oil as a sole treatment for cancer and that much of the proclaimed benefits come from anecdotal evidence. CBD oil may have anti-cancerous effects, but research about how significant is unknown. CBD treatment is great for improving the quality of life when a dog is undergoing cancer treatment, such as chemotherapy or radiation therapy. However, it is not the sole replacement for your dog’s cancer treatment plan.