Arthritis patients live with chronic pain—pain which can become debilitating if it goes unaddressed. One innovation in pain management is the use of cannabidiol, or CBD. If you have chronic arthritis pain, you may have been tempted to try cannabidiol as a treatment, or you may have tried it already. But is there any evidence that it works? Studies are finally addressing this question, and the results are just starting to come in.
CBD For Arthritis: Benefits, Risks And More
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Table of Contents
- What Is Arthritis?
- Why CBD Might Relieve Arthritis
- Potential Risks of Using CBD for Arthritis Relief
- Should You Use CBD for Arthritis?
- Talk to Your Doctor
Arthritis patients live with chronic pain—pain which can become debilitating if it goes unaddressed. One innovation in pain management is the use of cannabidiol, or CBD. While there is no cure for arthritis pain, early studies have shown that CBD can potentially aid in some of the discomfort, anxiety and inflammation associated with the condition.
Read on to learn more about how CBD can be used for arthritis pain, its potential benefits, risks and if it might be an option for you.
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What Is Arthritis?
Arthritis is the acute or chronic inflammation of joints. Though commonly understood to be a singular condition, arthritis is a term used to reference joint pain and joint disease. In fact, there are more than 100 different types of arthritis and related conditions, such as osteoarthritis, rheumatoid arthritis and psoriatic arthritis, among others. Symptoms include pain and stiffness in the joints, swelling, decreased range of motion, joint deformities and other related conditions.
Causes for arthritis vary depending on the individual, but can include:
- An autoimmune disease
- A previously injured joint that develops post-traumatic arthritis later in life
- Being overweight
Types of Arthritis
While there are many types of arthritis, two of the most common forms are osteoarthritis (OA) and rheumatoid arthritis (RA).
“The most common form of arthritis is osteoarthritis, which develops over time and can intensify with age,” says Thomas Lazoff, M.D., a double board certified physician at Physical Medicine Consultants in Fort Wayne, Indiana. OA affects more than 32.5 million adults in the United States, according to the Centers for Disease Control and Prevention (CDC)  Osteoarthritis (OA). Centers for Disease Control and Prevention. Accessed 5/4/2022. .
OA affects the entire joint, including the bone, cartilage, ligaments, fat, and the tissues lining the joint, says Dr. Lazoff. Symptoms of OA can include joint stiffness, redness, and decreased motion in the hands, knees, hips, lower back and neck.
“This form of arthritis causes some element of swelling and tenderness of one or more joints,” he adds, noting joint pain can be chronic and flare up at times.
Age, gender, overuse of the same joints, genetics, former injuries and suffering from obesity can all contribute to the onset of OA. The condition is more common in people over 50 years old and tends to occur in women more than men.
“Rheumatoid arthritis is an autoimmune disease which typically attacks the joints of the body,” says Dr. Lazoff. Individuals living with RA often experience stiffness, swelling and pain in the joints. Symptoms of an RA flare can last for extensive periods of time and may include:
- Low grade fever
- Joint stiffness, tenderness or swelling that lasts for six weeks or more
- Joint stiffness that occurs in the morning and lasts for longer than 30 minutes
Symptoms occurring in multiple joints in the body, or symptoms occurring in the same joints bilaterally may also be an indication of RA.
While the cause of RA is unknown, a genetic component is suspected to play a part in the disease, especially when triggered by lifestyle and environmental factors. Women are more likely to develop RA than men, and women who have never given birth are thought to be at higher risk, according to the CDC.
Does CBD help with arthritis pain?
If you have chronic arthritis pain, you may be wondering about cannabidiol (CBD) as a treatment. CBD, along with delta-9-tetrahydrocannabinol (THC) and other chemicals, is found in marijuana. But unlike THC, CBD is not “psychoactive” — that is, it does not cause the intoxication or high associated with marijuana use.
There’s a good chance you’ve tried it already: according to a Gallup poll in August of 2019, about 14% of Americans report using CBD products, and the number one reason is pain. The Arthritis Foundation conducted its own poll and found that 29% reported current use of CBD (mostly in liquid or topical form), and nearly 80% of respondents were either using it, had used it in the past, or were considering it. Of those using it, most reported improvement in physical function, sleep, and well-being; of note, a minority reported improvement in pain or stiffness.
Perhaps you’ve been tempted to try it. After all, most types of arthritis are not cured by other treatments, and CBD is considered a less addictive option than opiates. Or maybe it’s the marketing that recommends CBD products for everything from arthritis to anxiety to seizures. The ads are pretty hard to miss. (Now here’s a coincidence: as I was writing this, my email preview pane displayed a message that seemed to jump off the screen: CBD Has Helped Millions!! Try It Free Today!)
What’s the evidence it works? And what do experts recommend? Until recently, there’s been little research and even less guidance for people (or their doctors) interested in CBD products that are now increasingly legal and widely promoted.
But now, there is.
A word about arthritis pain
It’s worth emphasizing that there are more than 100 types of arthritis, and while pain is a cardinal feature of all of them, these conditions do not all act alike. And what works for one may not work for another. Treatment is aimed at reducing pain and stiffness and maintaining function for all types of arthritis. But for certain conditions, such as rheumatoid arthritis, conventional prescription medications are highly recommended, because these drugs help prevent permanent joint damage and worsening disability.
In addition, individuals experience pain and respond to treatment in different ways. As a result, it’s highly unlikely that there is a single CBD-containing product that works for all people with all types of arthritis.
What’s the evidence that CBD is effective for chronic arthritis pain?
While there are laboratory studies suggesting CBD might be a promising approach, and animal studies showing anti-inflammatory and pain-relieving effects, well-designed studies demonstrating compelling evidence that CBD is safe and effective for chronic arthritis pain in humans do not exist. A randomized trial of topical CBD for osteoarthritis of the knee has been published, but in abstract form only (meaning it’s a preliminary report that summarizes the trial and has not been thoroughly vetted yet); the trial lasted only 12 weeks, and results were mixed at best. One of the largest reviews examined the health effects of cannabis and CBD, and concluded that there is “substantial evidence that cannabis is an effective treatment for chronic pain in adults.” But there was no specific conclusion regarding CBD, presumably because definitive studies were not available.
Of course, there is anecdotal evidence and testimonials galore, including reports of dramatic improvement by people who tried CBD in its various forms (including capsule, liquid, topical, and spray) for their pain. But we are still waiting for well-designed, scientifically valid, and rigorous clinical trials (such as this one in progress) that are so badly needed to answer the question of just how helpful CBD may be to people with chronic arthritis pain.
Are there downsides to CBD treatment?
As with any treatment, there can be downsides. CBD is generally considered safe; however, it can still cause lightheadedness, sleepiness, dry mouth, and rarely, liver problems. There may be uncertainty about the potency or purity of CBD products (since they are not regulated as prescription medications are), and CBD can interact with other medications. For pregnant women, concern has been raised about a possible link between inhaled cannabis and lower-birthweight babies; it’s not clear if this applies to CBD. Some pain specialists have concerns that CBD may upset the body’s natural system of pain regulation, leading to tolerance (so that higher doses are needed for the same effect), though the potential for addiction is generally considered to be low.
There is one definite downside: cost. Prices range widely but CBD products aren’t inexpensive, and depending on dose, frequency, and formulation, the cost can be considerable — I found one brand that was $120/month, and health insurance does not usually cover it.
Are there guidelines about the use of CBD for chronic arthritis pain?
Until recently, little guidance has been available for people with arthritis pain who were interested in CBD treatment. Depending on availability and interest, patients and their doctors had to decide on their own whether CBD was a reasonable option in each specific case. To a large degree that’s still true, but some guidelines have been published. Here’s one set of guidelines for people pursuing treatment with CBD that I find quite reasonable (based on recommendations from the Arthritis Foundation and a recent commentary published in the medical journal Arthritis Care & Research):
- If considering a CBD product, choose one that has been independently tested for purity, potency, and safety — for example, look for one that has received a “Good Manufacturing Practices” (GMP) certification.
- CBD should be one part of an overall pain management plan that includes nonmedication options (such as exercise) and psychological support.
- Choose an oral treatment (rather than inhaled products) and start with a low dose taken in the evening.
- Establish initial goals of treatment within a realistic period of time — for example, a reduction in knee pain that allows you to walk around the block within two weeks of starting treatment; later, if improved, the goals can be adjusted.
- Tell your doctor(s) about your planned and current CBD treatment; monitor your pain and adjust medications with your medical providers, rather than with nonmedical practitioners (such as those selling CBD products).
- Don’t make CBD your first choice for pain relief; it is more appropriate to consider it if other treatments have not been effective enough.
- Don’t have nonmedical practitioners (such as those selling CBD products) managing your chronic pain; pain management should be between you and your healthcare team, even if it includes CBD.
- For people with rheumatoid arthritis or related conditions, do not stop prescribed medications that may be protecting your joints from future damage; discuss any changes to your medication regimen with your doctor.
The bottom line
If you’re interested in CBD treatment for chronic arthritis pain or if you’re already taking it, review the pros, cons, and latest news with your healthcare providers, and together you can decide on a reasonable treatment plan. Depending on the type of arthritis you have, it may be quite important to continue your conventional, prescribed medications even if you pursue additional relief with CBD products.
We may not have all the evidence we’d like, but if CBD can safely improve your symptoms, it may be worth considering.
Follow me on Twitter @RobShmerling
About the Author
Robert H. Shmerling, MD , Senior Faculty Editor, Harvard Health Publishing
Dr. Robert H. Shmerling is the former clinical chief of the division of rheumatology at Beth Israel Deaconess Medical Center (BIDMC), and is a current member of the corresponding faculty in medicine at Harvard Medical School. … See Full Bio
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