Is HHC dangerous?

Is HHC dangerous?

Published: 08.01.2025 (Updated: 16.01.2025)
Reading time: Min.
Dr. Harald Stephan
Dr. rer. medic. Harald Stephan
Health expert

In the world of cannabis products, HHC (Hexahydrocannabinol) is a newer development that evokes both interest and concern. As a semi-synthetic cannabinoid produced through the hydrogenation of THC, HHC offers effects similar to THC, but there are significant differences and safety considerations. In this blog post, we explore whether HHC is dangerous, its effects, legality, potential side effects, and risks.

The question of whether HHC is dangerous is not easy to answer, as there is a lack of comprehensive scientific studies. As with many cannabinoids, the risk partly depends on the dosage, product purity, and individual reaction.

HHC Effects

HHC (Hexahydrocannabinol) is a semi-synthetic cannabinoid produced by the hydrogenation of THC (Tetrahydrocannabinol). Although it is structurally similar to THC, it differs in some of its effects and properties. The effects of HHC on the human body have not been as extensively researched as those of THC or CBD (Cannabidiol), but some basic aspects are known:

  1. Psychoactive Effect: Like THC, HHC is a psychoactive cannabinoid that can induce a high. Users often report feelings of euphoria, relaxation, and altered sensory perceptions, similar to those of THC.
  2. Intensity and Duration: Some users report that the effects of HHC are milder compared to THC, while others experience similarly strong effects. The duration of the effects can also vary, typically lasting several hours.
  3. Pain Relief and Relaxation: Like other cannabinoids, HHC may potentially have pain-relieving properties. It can promote muscle relaxation and contribute to pain relief for some users.
  4. Influence on Mood and Well-Being: HHC can influence mood and is sometimes appreciated for its potentially anxiety-reducing and antidepressant effects. These effects are, however, individual and not the same for all users.
  5. Appetite Stimulation: Like THC, HHC can also have an appetite-stimulating effect, known as "munchies". This can be beneficial for people with appetite loss or certain medical conditions.
  6. Possible Sedative Effects: For some users, HHC can have sedative effects, leading to drowsiness or relaxation, especially at higher doses.
  7. Influence on Perception: HHC can alter perception, which may lead to changes in time perception, visual and auditory sensations.

 

Is HHC Legal?

The legality of HHC is in a gray area. Since it is made from THC, it could be considered illegal in countries where THC is illegal. However, the specific laws vary from region to region.

HHC Side Effects

The side effects of HHC (Hexahydrocannabinol), a semi-synthetic cannabinoid obtained through THC hydrogenation, are similar to those of THC, but there are some specific aspects to consider. As HHC is a relatively new substance on the market, the information on its side effects is not as comprehensive as with other, better-researched cannabinoids. Here are some of the potential side effects that may be associated with the use of HHC:

  1. Psychoactive Effects: Like THC, HHC can have psychoactive effects that can lead to changes in perception, mood, and behavior. Users may experience euphoria or relaxation, but also confusion, anxiety, or paranoia.
  2. Dry Mouth: A common side effect of cannabinoids is dry mouth or "cottonmouth". This is due to the reduction in saliva production.
  3. Dizziness and Drowsiness: HHC can cause dizziness or slight drowsiness, especially at higher doses or in individuals not accustomed to the effects of cannabinoids.
  4. Red Eyes: Increased blood flow to the eye blood vessels, leading to red eyes, is another common side effect associated with the use of cannabinoids like HHC.
  5. Altered Motor Coordination and Reaction Time: HHC can impair motor coordination and reaction times, making driving or operating machinery risky.
  6. Altered Blood Pressure: Cannabinoids can affect blood pressure, which can lead to a drop or rise in blood pressure in some individuals.
  7. Possible Interactions with Medications: HHC could interact with certain medications, particularly those affecting the central nervous system. This could alter the effectiveness of the medications or amplify unwanted side effects.
  8. Long-term Effects: As HHC is relatively new, the long-term effects on health and well-being are not yet fully known. This includes potential impacts on mental health or cognitive function.

 

Is HHC Harmful?

As with all cannabinoids, the use of HHC can be harmful for some individuals, especially when used in high doses or over an extended period. Individuals with pre-existing conditions, particularly mental health disorders, should be especially cautious.

Psychoses with HHC

  • Potential Triggering: Like other psychoactive substances, there is concern that HHC could trigger or exacerbate psychotic symptoms in predisposed individuals.
  • Caution with History: Individuals with a history of mental health issues or a familial predisposition to psychosis should exercise caution and possibly refrain from using HHC.
  • Monitoring Symptoms: HHC users should watch for signs of hallucinations, paranoia, or other psychotic symptoms and discontinue use immediately if they occur, seeking medical help.

Dosing of HHC

  • Individual Differences: The optimal dosage of HHC can vary greatly, depending on individual factors such as weight, metabolism, and tolerance to cannabinoids.
  • Cautious Start: Due to limited research and the variation in potency of different HHC products, it is advisable to start with a very low dose and observe the effects carefully.
  • Increase in Dose: If necessary, the dose should be increased slowly and gradually to minimize the risk of side effects.
  • Product Consistency: The consistency in potency of HHC products can vary, complicating the dosing. Therefore, users should choose trustworthy sources for HHC products.

Risks of HHC

  • Psychoactive Effects: Like THC, HHC can have psychoactive effects, which can lead to discomfort or anxiety in some users.
  • Short-term Side Effects: Possible short-term side effects include dizziness, dry mouth, altered perception, and motor coordination.
  • Interactions with Medications: HHC can interact with other medications, particularly those affecting the central nervous system.
  • Lack of Long-term Studies: There is limited information about the long-term effects of HHC on health, including potential impacts on mental health or cognitive function.

 

HHC Addiction

Although not yet sufficiently researched, HHC could have a certain addiction potential similar to other cannabinoids. Users should be aware of signs of psychological dependence.

Are HHC Vapes Dangerous?

Vaping HHC presents similar risks to vaping other substances. Safety depends on the quality of the product and the vape devices. Impure products or unsafe vaping practices can pose additional health risks.

In summary, HHC is an interesting cannabinoid with potential therapeutic benefits, but there are also significant uncertainties and potential risks. Users should be cautious, informed about local laws, and mindful of product quality. As with any psychoactive substance, seeking medical advice is recommended, especially if you have health conditions or are taking other medications.

Conclusion

In summary, HHC (Hexahydrocannabinol) as a relatively new cannabinoid in the world of cannabis products evokes both interest and caution. Although HHC is known for its psychoactive effects, similar to those of THC, it is important to note the potential risks and side effects.

HHC can, in certain dosages and in some individuals, cause side effects such as dizziness, dry mouth, and in rare cases, feelings of anxiety or paranoia. In addition, due to the lack of comprehensive research, there is some uncertainty about the long-term effects of HHC consumption. This highlights the necessity of a responsible and cautious approach to this cannabinoid.

For consumers who wish to try HHC, it is advisable to start with a low dose and closely monitor their body's reaction. It is also important to obtain products from trusted and reliable sources to ensure the purity and quality of HHC.

In countries where HHC is legal, users should also familiarize themselves with local laws and regulations to avoid legal issues. As with all psychoactive substances, prioritizing one's health and safety and seeking professional advice is crucial, especially if one already has health issues or is taking other medications.

Ultimately, it is important that further research is conducted to gain a deeper understanding of HHC and its potential effects on health and well-being. Until then, a cautious and informed approach when dealing with HHC is essential.

Dr. Harald Stephan
Dr. rer. medic. Harald Stephan
Graduate Biologist, Medical Information Processing Officer and Doctor of Health Sciences
About the author

After studying in Saarbrücken, Dr Harald Stephan worked in research and teaching at the Universities of Marburg and Bochum as well as at the University Hospital in Essen before becoming a self-employed publicist in 2016. He sees acquiring and passing on knowledge as his life's work.

In addition to his publications on cell biology and tumour research in renowned specialist journals, hundreds of his articles on health topics can be found on the internet. In them, he explains the causes of diseases, laboratory values, diagnoses as well as traditional and novel therapy options.