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Using Cannabis for Cervical Cancer: What the Current Research Says

graphic of female uterus and cancer ribbon on purple backround

Studies on Cannabis and Cervical Cancer

Total Studies: 12

Types of Study: Laboratory (6); Meta-Analysis (5); Animal Study (1)

Number of Studies with Positive Results: 8

Number of Studies with Inconclusive Results: 2

No. of Studies with Negative Results: 2

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Potentially Useful Cannabis Compounds for Cervical Cancer

Cannabidiol (CBD), Tetrahydrocannabivarin (THCV), Tetrahydrocannabinol (THC), kaempferol, myrcene, humulene, beta-caryophyllene, linalool.


Medical cannabis may increase the efficacy of chemotherapy and may help treat side effects associated with cervical cancer and its treatment including:

  • Chronic pain.
  • Insomnia.
  • Appetite loss.
  • Anxiety.
  • Depression.

It’s also an excellent alternative to opioids for mid-to-long-term pain control.


  • Patients may require extremely high doses of cannabinoids to get the effects.
  • Most evidence is lab results on cell lines and questionnaires with a low number of participants, so more evidence is needed.
  • Little knowledge on which specific cannabinoids will be useful, and at what dosage.

Possible Efficacy

  • Moderate.

What is Cervical Cancer?

Cancer is a condition where cells grow uncontrollably in a specific part of the body. Cancers can spread (metastasize) to other parts of the body. Cervical cancer is cancer that’s found anywhere in the cervix, the opening between the vagina and the womb (uterus). The current five-year survival rate for cervical cancer in the US is 66.3 percent.

Nearly all cervical cancers (approx 90 percent) are caused by an infection from certain types of human papillomavirus (HPV). About 14,480 new cases of invasive cervical cancer will be diagnosed in the US annually, with 4,290 women dying from cervical cancer every year. Globally, cervical cancer is the fourth most common cancer. In low-income countries, it is one of the most common causes of cancer death.

Signs and symptoms of cervical cancer include:

  • Vaginal bleeding. 
  • Unusual vaginal discharge.
  • Pelvic pain.
  • Pain during (and possibly bleeding after) sexual intercourse.

Current Cervical Cancer Treatments

Cervical cancer is treated by a combination of chemotherapy, radiotherapy, targeted therapy, immunotherapy, and sometimes surgery. Pap tests are used to detect potentially precancerous and cancerous processes in the cervix or colon, allowing for earlier treatment.

Why Medical Cannabis Could Be Useful for Cervical Cancer

Studies show that medical cannabis could be useful in the treatment of cervical cancer. One study shows that, out of 31 women with cervical cancer, 83% reported that medical cannabis provided relief for their cancer or treatment-related symptoms. Medical cannabis helped with the following:

  • Lowering opioid use (63 percent).
  • Decreased appetite (41 percent).
  • Insomnia (41 percent).
  • Neuropathy (nerve pain 41 percent).
  • Anxiety (35 percent).
  • Nausea (29 percent).
  • Joint pain (29 percent).
  • Bone pain (29 percent).
  • Abdominal pain (25 percent).
  • Depression (19 percent).

Lab studies using cell lines suggest that cannabidiol (CBD) in particular may be helpful for cervical cancer treatment.

A systematic review of medical cannabis for gynecological pain in general (including cancer, endometriosis, interstitial cystitis, pelvic pain, and many more), published in 2022 shows that doses of up to 70 mg THC and 2000 mg CBD per week helped relieve pain in between 61% to 95.5% of the women studied.

There have been concerns over cannabis usage, its immunomodulatory effects, and a positive cross-sectional association with human papillomavirus (HPV)-related head and neck cancer. There is no data suggesting that cannabis increases cervical HPV burden, however.

Even though the results look positive, similar problems show up in these studies as they do with many others regarding medical cannabis. These issues include:

  • Low sample sizes.
  • Rarely discernment between different types of cannabis.
  • Related to the above, rarely any differentiation between different doses and concentrations of particular cannabinoids, terpenes, and flavonoids.
  • Lack of randomized controlled trials (RCTs).
  • Lab studies don’t always reflect real life, and particularly high doses of cannabinoids may be needed — doses exceeding that of average non-medical adult use. 

In several lab studies, cannabinoids have been shown to induce apoptosis (programmed cell death) of human cervical carcinoma cells. Cannabidiol (CBD) may be of particular use, but in some cases, a chemically similar version (an analog) of anandamide, methanandamide, was used. It seems that increasing anandamide concentration in the body may be of particular help.

Inhibiting COX-2 enzymes, which are common in sites of inflammation, could be key to treating cervical (and other) types of cancer. Inhibition of COX-2 enzymes may also help treat cancer pain and increase the efficacy of chemotherapy.

Cannabinoids, Terpenes & Flavonoids for Cervical Cancer

Suggested Dosing

Although there is little information on dosing for cervical cancer specifically, here’s a few things that may help with respect to the evidence above:

  • Choose CBD-rich product.
  • Having some THCV and THC in the product could also be useful.
  • Cannabis oils (tinctures), CBD-rich cultivars (“strains“) & concentrates, suppositories, and cannabinoid-infused tampons may all be suitable ingestion methods.
  • Choose a product rich in terpenes and flavors.

Why Might Medical Cannabis Help Treat Cancer Generally?

Cancer is a complicated subject, as there are many different types of cancer that require different methods of treatment. Cannabis is no different in this regard, with different cannabinoids, terpenes, and flavonoids working together to produce different effects. 

This means that medical cannabis may be useful for some types of cancer, have a neutral effect, or even potentially have a negative effect. In addition, some types of cancer may require specific dosages of cannabinoids in order to be effective.

So, let’s simplify what is otherwise a very complicated area of research that has a lot of heavy science involved.

  • Chronic inflammation plays a role in the development of most types of cancer (and indeed disease in general).
  • Different types of inflammation cause different kinds of cancer. Think of inflammation as a pathway, or a sort of Choose Your Own Adventure book. Different stressors cause cells to pick different options, leading to more different outcomes, and eventually an ending.
  • Cannabinoids play a fundamental role in immunomodulation (change the body’s immune system reaction) and homeostasis (balance) in general. This means that cannabinoids can induce, amplify, attenuate or prevent different kinds of inflammation.
  • Cancerous cells are like a Trojan Horse. Our bodies actually get cancer all the time. It’s just that, usually, our bodies recognize these cells as cancerous and fight them off. 
  • Should your body receive a particular set of stressors (e.g. another bad infection or illness, insomnia, an unhealthy diet, smoking, lack of exercise), the more corrupted, mutated, cancerous cells your body develops.
  • Should the stressors be regular enough and cause regular inflammation, the more likely you are to eventually develop cancer, as the body stops recognizing a damaged and mutated cell. This allows cancerous cells to proliferate.
  • Cannabinoids derived from cannabis (phytocannabinoids) can help battle cancer-induced inflammation and instruct cancerous cells to “stop” or “self-destruct” (apoptosis).

When it comes to understanding cancer of any kind, it is worth keeping the above in mind. Cancer is worth approaching as a systemic disease, where endocannabinoid system (ECS) dysfunction can cause inflammation. Keeping the ECS in balance may help treat cancer, and possibly help in preventing it as well.

It is also worth keeping in mind that not all types of cancer are responsive to cannabinoids or involve the ECS. This means that, for some types of cancer, cannabis will be ineffective or even negative. The evidence so far suggests that cervical cancer is cannabinoid-responsive. However, we recommend speaking to your oncologist and/or primary care physician before going on a medical cannabis treatment program.

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