CBD (cannabidiol) has become a popular natural remedy in Denmark and is used by many to help with stress, chronic pain, anxiety, and sleep issues. But with its increasing use, natural questions arise about how CBD affects a person’s ability to operate a motor vehicle. Can you safely drive after taking CBD? And what does the law say if you’re stopped by the police? This article covers the most important facts and guidelines regarding CBD and driving in Denmark.
CBD Does Not Affect Cognitive Function Like THC
One of the key differences between CBD and THC (tetrahydrocannabinol) is that CBD is not psychoactive. This means that CBD does not cause a “high” and does not impair brain functions in a way that would weaken judgment, coordination, or reaction time — all essential abilities in traffic.
The WHO (World Health Organization) has concluded in a report that CBD is generally well tolerated and does not have any significant negative impact on motor skills. This contrasts sharply with THC, which is banned in traffic due to its ability to impair safe driving and result in legal consequences.
But Be Careful With the THC Content in Your Product
Even though CBD itself is harmless in relation to driving ability, some CBD products contain small amounts of THC. In Denmark, CBD products must legally contain less than 0.2% THC. This is a very low concentration, but even so, it can in rare cases trigger a positive result in a drug test depending on dosage and frequency of use.
It is therefore important to know your product and only use CBD from documented and trustworthy sources. If you use a product with more than 0.2% THC — for example one imported from a country with higher legal limits — you risk not only impairing your driving ability but also violating Danish traffic laws and being charged with drug-impaired driving.
Individual Reactions and Dosage Matter
Although CBD is not intoxicating, it can in some cases cause relaxation or mild drowsiness — especially for new users or when taken in high doses. This effect is partly due to CBD’s action on serotonin receptors and the body’s natural circadian rhythm.
Therefore, it is recommended to be extra cautious the first few times you use CBD. Start with a low dose and observe how your body reacts. If you experience tiredness, reduced focus, or other side effects, you should wait before driving until the effects have worn off. In this way, you minimize the risk of endangering yourself or others on the road.
Legislation and Drug Testing in Traffic
Danish police use drug tests when there is suspicion of impaired driving. These tests are designed to detect illegal substances such as THC, amphetamines, cocaine, and more. CBD itself is not a substance you are tested for, as it is not classified as intoxicating. However, if your CBD oil contains THC and the test detects levels above the permitted threshold, you can be charged with drug-impaired driving — even if you do not feel intoxicated.
Therefore, it is crucial to use only CBD products that have been tested for THC content. Always check that a laboratory report (COA — Certificate of Analysis) is available, and avoid products without documentation.
CBD Combined With Medication or Other Substances
If you are taking prescription medication, you should be particularly careful. CBD can affect how the body metabolizes certain medicines by inhibiting specific liver enzymes (the CYP450 system). This can intensify or prolong the effects of certain drugs — which in some cases may influence your reaction time and your ability to drive safely.
Combining CBD and alcohol should also be avoided before driving, as the combined effect can be unpredictable and lead to increased drowsiness or slower reactions.
Summary
You may generally drive a car after using CBD as long as:
- The product contains less than 0.2% THC
- You do not feel tired, foggy, or drowsy
- You use products with documented low THC levels and no unauthorised ingredients
CBD does not impair cognitive abilities the way alcohol or THC does, but individual reactions and product type can still play a role. Always pay attention to how you feel and be careful with dosing — especially if you’re new to CBD. Use common sense, and remember that road safety always comes first.
If you are unsure, it is a good idea to speak with a healthcare professional before combining CBD with driving.