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Zoloft and Weed: Interactions and Side Effects

zoloft and marijuana
By Alexandra Arnett Updated March 8th, 2024

Fact-checked by Deb Tharp

Medically reviewed by Dr. Brian Kessler, MD

According to our 2022 Annual Cannabis Conditions Report, which surveyed over 211,000 medical cannabis patients, roughly 19% of medical cannabis patients use cannabis for anxiety, and around 12% of medical cannabis patients use cannabis for PTSD.

There’s still a lot we don’t know about how cannabis and Zoloft interact. Both substances affect the brain, and it is important to consult with your doctor before adding either to your existing treatment regimen.

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What is Zoloft?

Zoloft, also known as Sertraline, is a selective serotonin reuptake inhibitor (SSRI). SSRIs are a newer class of antidepressant drugs that work by stopping the body from reabsorbing serotonin, preventing the depletion of this vital neurotransmitter within the brain. Serotonin is thought to play a role in mood regulation, and imbalances have been linked to depression and anxiety.

Zoloft is FDA-approved for adults to take for the treatment of the following;

  • Major Depressive Disorder (MDD)
  • Obsessive-Compulsive Disorder (OCD)
  • Panic Disorder
  • Posttraumatic Stress Disorder (PTSD)
  • Premenstrual Dysphoric Disorder (PMDD), and
  • Social Anxiety Disorder.

Zoloft is an extremely common prescribed medication. Between 2004 and 2020, prescriptions for Zoloft or Sertraline in the United States increased by 10 million. As of 2020, prescriptions in the United States for Zoloft or Sertraline land at 38.22 million.

Combining Cannabis and Zoloft: What the Latest Research Says

Zoloft and Weed interaction

Zoloft and cannabinoids, such as THC and CBD, are metabolized by the CYP2C19 enzymes in the liver. Both CBD and THC are known to inhibit the CYP2C19 enzyme. This inhibition of the CYP2C19 enzyme can make it harder for the body to properly metabolize other drugs, such as Zoloft, which are metabolized by the CYP2C19 enzyme. This enzyme interaction can lead to an increase in the levels of Zoloft present in a patient's system and can lead to an increase in adverse side effects such as diarrhea, dizziness, and fatigue.1,2,3

Based on the current data, more research is needed to determine the safety and efficacy of the concurrent use of Zoloft and weed. Individuals should consult their doctor before combining Zoloft and CBD or THC. 

Because both Zoloft and cannabis affect liver enzymes, using them together may change how your body processes Zoloft. This can intensify or prolong side effects. If a healthcare provider determines that using both may be appropriate, close monitoring for any adverse effects is essential.

Are You Considering Using Cannabis and Zoloft?

Combining cannabis with any substance or medication carries its own risks. Cannabis research is still in its earliest stages, and there is a lot that researchers still don't know. That leaves the door open for unexpected interactions with other substances. If you are considering combining cannabis with any other substance or medication, speak to your doctor for proper medical guidance. 

Likewise, stopping the use of a prescribed medication can lead to unintended consequences. Many medications take time to build up in the body. Stopping suddenly can cause unpleasant and potentially serious or even fatal side effects. If you'd like to stop using or replace a medication, you need to follow the guidance of your medical provider to make any approved adjustments safely.

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References

  1. MacCallum CA, Lo LA, Boivin M. "Is medical cannabis safe for my patients?" A practical review of cannabis safety considerations. European Journal of Internal Medicine. 2021;89:10-18. doi:https://doi.org/10.1016/j.ejim.2021.05.002
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  2. Nasrin S, Watson CJW, Perez-Paramo YX, Lazarus P. ­­­­­­Cannabinoid metabolites as inhibitors of major hepatic CYP450 enzymes, with implications for cannabis-drug interactions. Drug Metabolism and Disposition. 2021;49(12):DMD-AR-2021-000442. doi:https://doi.org/10.1124/dmd.121.000442
    ↩︎
  3. Vaughn SE, Strawn JR, Poweleit EA, Sarangdhar M, Ramsey LB. The Impact of Marijuana on Antidepressant Treatment in Adolescents: Clinical and Pharmacologic Considerations. J Pers Med. 2021;11(7):615. Published 2021 Jun 29. doi:10.3390/jpm11070615
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The information in this article and any included images or charts are for educational purposes only. This information is neither a substitute for, nor does it replace, professional legal advice or medical advice, diagnosis, or treatment. If you have any concerns or questions about laws, regulations, or your health, you should always consult with an attorney, physician or other licensed professional.

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CBD and Zoloft: Interactions and Side Effects

Zoloft is a medication for mental health conditions involving depression and anxiety. Some individuals seeking alternatives to prescription medication look to CBD. It shouldn’t come as a surprise that plenty of people are curious if it’s safe to use CBD and Zoloft together.

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