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Does CBD oil have side effects?

Written by: Lena Grammling

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Time to read 6 min

You use CBD oil – but wonder if it's really that harmless? 

More and more people are turning to CBD as a natural alternative for chronic pain, multiple sclerosis, or Dravet syndrome. But what about potential CBD oil side effects?

Many consumers underestimate the effect of cannabinoids on the endocannabinoid system. Fatigue, dizziness, stomach problems – side effects of CBD occur more often than you might think. Particularly problematic: interactions with other medications or starting the active ingredient from the hemp plant too quickly.

In this article, you'll learn what you need to pay attention to in order to use CBD safely – and how to avoid side effects before they occur.

What is CBD oil and what are its effects?

CBD oil is derived from the cannabis plant. CBD stands for cannabidiol, a non-psychoactive compound found in the hemp plant. Unlike the psychoactive component THC (tetrahydrocannabinol), CBD does not cause an intoxicating effect. CBD oil is often offered in the form of drops and can be taken orally or applied to the skin.


CBD is believed to interact with the body's own endocannabinoid system, which plays a role in maintaining balance in the body. The exact effect of CBD on humans is not yet fully understood, as research on this topic is still relatively new. However, there are some promising indications of potential health benefits. For example, CBD has been studied and discussed in relation to:

  1. Pain relief: CBD can help relieve pain, including chronic pain, by possessing anti-inflammatory and analgesic properties.

  2. Anxiety and stress reduction: CBD can help reduce anxiety and reduce stress. Some studies have shown that it can be helpful in treating anxiety disorders, such as generalized anxiety disorder or post-traumatic stress disorder.

  3. Sleep improvement: CBD can help with sleep disorders by promoting relaxation and improving sleep quality.

  4. Neuroprotection: There is evidence that CBD may have neuroprotective effects, meaning it can support the health and function of the nervous system.

CBD oils from Hanfgeflüster

What is the WHO's opinion on CBD?

The World Health Organization (WHO) evaluated CBD in a 2018 report¹ and made the following assessments:


  1. According to the WHO, CBD is not addictive: The report found that CBD does not have the addictive potential or abuse potential of THC. It was also noted that there is no evidence that CBD leads to mental disorders.

  2. CBD is not harmful to health: The WHO found that CBD has no harmful effects on health, neither in acute nor in long-term applications. No cases of public health hazards from the use of pure CBD preparations have been reported.

  3. CBD has therapeutic potential: The WHO recognized the therapeutic potential of CBD and emphasized its positive effects in certain medical conditions such as epilepsy. However, it also pointed out that further research is needed to better understand the exact mechanisms of action and applications.


What side effects can occur with CBD oil and what can I do about them?

Side effects can occur when taking CBD oil, although it is generally considered mild and well-tolerated. It is important to note that side effects can vary from person to person and do not occur in everyone.


Side effects can appear as soon as the CBD starts to work and usually subside on their own as the effects of CBD in the body wear off. The following side effects are possible:


  1. Dry mouth: CBD can temporarily reduce saliva production, which can lead to a dry mouth sensation. To counteract this, it is advisable to drink enough water or chew sugar-free gum to increase saliva flow.

  2. Fatigue: Some people report that CBD oil makes them tired or sleepy. If this is a problem, taking CBD before bedtime may be helpful. It is recommended to adjust the dosage to find individual tolerance.

  3. Dizziness due to low blood pressure: CBD can temporarily lower blood pressure. If you are already taking blood pressure-lowering medication, you should consult a doctor before taking CBD oil to consider possible interactions.

  4. Gastrointestinal discomfort: Some individuals report mild gastrointestinal discomfort such as nausea, diarrhea, or loss of appetite. If these symptoms occur, reducing the CBD dose or taking the oil with a meal may help.


What can cause side effects from CBD oil and how can the risk be minimized?

The exact cause of side effects from taking CBD oil is not yet fully understood, as research in this area is still limited. It is believed that various factors can contribute:


  1. Individual Sensitivity: Everyone reacts differently to substances, including CBD. Some individuals may be more sensitive to CBD than others and therefore more likely to experience side effects.

  2. Dosage: The dosage of CBD can influence the occurrence of side effects. Higher dosages may increase the risk of side effects. It is advisable to start with a low dose and gradually increase it to determine individual tolerance.

  3. Drug Interactions: CBD can interact with certain medications, either enhancing or diminishing their effects. This can lead to undesirable side effects. It is important to talk to a doctor before taking CBD oil, especially if you are already taking other medications, to consider potential interactions.

To minimize the risk of side effects, the following measures can be helpful:


  1. Choose Quality Products: It is advisable to choose high-quality CBD products from trustworthy manufacturers. These products should generally have good purity and contain fewer impurities that could potentially cause side effects.

  2. Dose Slowly: When taking CBD drops, start with a low dosage and gradually increase it to determine individual tolerance. This allows for better detection and minimization of potential side effects.

  3. Consult a Doctor: Before taking CBD oil, consult a doctor, especially if you are already taking other medications or have an underlying medical condition. A doctor can assess your individual risk profile and provide recommendations for dosage and use.


Which risk groups should be careful when taking CBD oil?

Certain risk groups should be cautious or avoid taking CBD oil altogether, as CBD can potentially interact with specific health conditions or medications. Here are some risk groups that should exercise particular caution:


  1. Pregnant and Breastfeeding Women: There is limited information on the effects of CBD oil on pregnant and breastfeeding women. As a precautionary measure, it is recommended to refrain from using CBD products during this time.

  2. Individuals with Liver Diseases: CBD is primarily metabolized in the liver. In individuals with liver diseases, the metabolism of CBD may be impaired, which can lead to undesirable effects. It is advisable to consult a doctor before taking CBD oil.

  3. Individuals Taking Other Medications: CBD can interact with certain medications by affecting their metabolism in the liver. This can cause medications to be metabolized faster or slower, which can impact their effectiveness or potential side effects. If you regularly take medication, you should consult a doctor before taking CBD oil to consider potential interactions.

  4. Children: The safety and efficacy of CBD oil in children have not yet been sufficiently researched. It is recommended to consult a doctor before using CBD products for children.

  5. Individuals with Low Blood Pressure: CBD can temporarily lower blood pressure. If you already suffer from low blood pressure or are taking blood pressure-lowering medications, you should consult a doctor before taking CBD oil to consider potential effects on blood pressure.

It is important to emphasize that these risk groups do not necessarily mean that taking CBD oil is completely ruled out. However, it requires particular caution and consultation with a doctor to consider individual circumstances and potential risks.


Conclusion

In conclusion, CBD oil is generally very well tolerated. A CBD overdose in the classic sense is not possible. Any side effects that may occur usually only last as long as the CBD is active in the body.


Only if you belong to one of the risk groups mentioned should you speak to a doctor before starting to take CBD oil. If you pay attention to the quality of the CBD oil and gradually increase the dosage, nothing can really go wrong.


At Hanfgeflüster, we place great importance on quality and have all our CBD oils laboratory tested before we sell them. In our CBD dosage calculator, you can also get an estimate of which dosage is right for you. If you have any further questions, please do not hesitate to contact us personally.


Sources and Studies

¹ WHO. Cannabidiol (CBD). Critical Review Report. Downloaded January 23, 2024. [Source]