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Can Cannabis Cause Hallucinations?

Key Takeaways

  • The term “cannabis” is generally used to describe marijuana or medical cannabis, and it may cause hallucinations in some.
  • CBD does not cause hallucination, as it is THC-free or has low concentrations.

People who want to use CBD often ask if it can cause hallucinations. This is because they are worried, as they have heard many things about cannabis. Cannabis is among the substance of abuse. However, these worries also arise from the poor understanding of CBD, a lack of understanding that though CBD is extracted from the cannabis plant, it is different.

As a doctor, I know that even many medical practitioners are not aware of CBD, or they know very little about it. Moreover, it is always good to be cautious and learn more about natural remedies before taking them.

People cannot be blamed for such questions and worries. We must remember that even governments, including the UK government, prohibited the use of cannabis products for almost a century. Even health experts refused to recognize that CBD and recreational cannabis are different things. This arrogance means that CBD remained illegal for most of the 20th century.

So, let us answer this vital question directly before exploring why CBD will not cause hallucinations.

Can CBD oil cause hallucinations? No, it will not cause hallucinations. Legally sold CBD, if used responsibly and as recommended by FSA, does not cause such a severe euphoria. It is safe for prolonged use, classified as Novel Food, suitable for daily use, and never causes severe side effects like hallucination.

Why CBD Does not Cause Hallucinations

Cannabis causes hallucination, but CBD does not. So, why is it?

People who regularly use marijuana are quite likely to develop psychosis, including hallucinations. They might even develop some severe mental disorders, including schizophrenia. Many marijuana or cannabis users are not even aware of their trouble.(1)

Cannabis has many cannabinoids. However, two of them are so-called major, and these are cannabidiol (CBD) and Δ-9 tetrahydrocannabinol (THC).

Among the two major cannabinoids present in cannabis, THC causes most side effects. People use cannabis for its mystical effect. However, hallucinations are part of this effect.(2)

However, CBD oil is very different. Researchers understood that it is THC that is responsible for euphoria and severe mind-altering effects. Hence, they started looking for ways to exclude it from CBD products.

One of the simplest ways of getting rid of THC is using cannabis varieties that are naturally low in THC. One such cannabis variety is Industrial Hemp. Europeans have long used industrial hemp for its fibre, oil, and feed production. Hemp, although a kind of cannabis plant, does not contain much THC.

Thus, all hemp legally grown in the UK or EU contains THC less than 0.2%. It also means that all CBD products produced or sold in the US cannot have THC more than 0.2% and nor more than 1 mg per pack. This ensures that legally used CBD oils are either THC-free or only contain it in small amounts.

THC is safe in smaller amounts and does not cause hallucinations. It rather contributes to the entourage effect, and thus, CBD products with some THC have even greater health benefits.

As testing and extraction techniques have improved, they have allowed the isolation of various cannabinoids and the production of high-purity products.

Thus, modern CBD oil products often use CBD isolate, which is completely THC-free. Alternatively, many products use broad-spectrum CBD extracts that contain minor cannabinoids for added health benefits, and they are still THC-free.

But, those looking for something more potent and with greater benefit may also consider broad-spectrum CBD oil. Such products contain THC in small amounts, which results in greater health benefits, and still, it does not cause side effects or hallucinations.

CBD does have some side effects. It may cause dryness of the mouth, blurring of vision, and sleepiness in some individuals. However, these effects are not hallucinations. Hallucination is very severe, as a person starts seeing and feeling things that do not exist or did not happen.

The Bottom Line

To sum up, CBD is a very safe product and safer than medications. Novel Foods like CBD oil are good for daily use indefinitely with proven safety. If one uses legally produced high-quality CBD products in recommended dosages, it cannot cause hallucinations. The same is true for legally produced high-quality CBD vape pens like those sold on CBD Oil King.

Some CBD products like full spectrum CBD oil or vapes do have THC, but that is just in small amounts. Moreover, CBD has an opposing effect on the brain and mood. Hence, using full-spectrum CBD products is also safe. I can say with confidence that CBD does not cause hallucinations. Of course, weed, marijuana or medical cannabis can.


  1. Mental Health | Health Effects | Marijuana | CDC [Internet]. 2022 [cited 2024 Mar 30]. Available from:
  2. Barrett FS, Schlienz NJ, Lembeck N, Waqas M, Vandrey R. “Hallucinations” Following Acute Cannabis Dosing: A Case Report and Comparison to Other Hallucinogenic Drugs. Cannabis Cannabinoid Res. 2018 Mar 1;3(1):85–93.
Dr Preet Pal Singh Bhinder

This article was authored by: Dr. Preet Pal Singh Bhinder.

This article was peer-reviewed by Dr M Mansoor Siddique (PhD). Dr Siddique has over eight years of experience working with CBD and CBD products.

Disclaimer: All of our products are not intended to diagnose, treat or cure any disease. It is recommended to check with doctor before starting a new dietary supplement program. All CBD products sold have less than 0.2% THC content and abide by both EU an UK law.



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