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Cannabis use in older adults

Published: 04 February 2026
The use of cannabis in older adults requires additional attention. Although cannabis has been used medicinally for a long time, less systematic research has been conducted in older populations, and factors such as medication use, co-existing conditions, and increased vulnerability play a greater role. This article discusses these considerations and outlines what research and practical experience show.
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Cannabis has been used medicinally for thousands of years, and many people also use cannabis recreationally. The perceived safety of cannabis is largely based on experience with a relatively young group of recreational users. However, older adults are currently the fastest-growing group of users, while relatively little systematic research has been conducted in this population. When cannabis is used by older adults, situations or issues may arise that are seen far less frequently in younger users.

Medication

Older adults often use multiple medications simultaneously to treat different conditions. The more medications are used, the greater the risk of interactions with medicinal cannabis, particularly with cannabis containing THC. Interactions between medication and medicinal cannabis have been described. Unfortunately, research into these interactions is limited, meaning that much is still uncertain or not fully understood. As a result, it is often difficult to assess how strong an interaction may be and how best to manage it.

During the intake process at CBA Apotheek, patients are always asked about the medications they are using and whether there may be a potential interaction with medicinal cannabis. Due to the relatively low dosages of medicinal cannabis and its administration under the tongue, the risk of a dangerous interaction is expected to be very small.

Other medical conditions

With increasing age, the likelihood of various medical conditions also increases. These may include, for example, cardiovascular disease or reduced kidney or liver function. Possible side effects of cannabis may be less favourable in the presence of certain conditions. For instance, people with specific heart conditions may be more sensitive to a possible increased heart rate or changes in blood pressure.

Vulnerability

In general, older adults are more vulnerable. They may be more sensitive to fluctuations in blood pressure, to effects on the brain such as drowsiness and memory problems, and to the risk of falls.

Specific research and careful guidance

Specific research in older adults (Brown & Mushett) indicates that the use of cannabis in older people does not necessarily need to be avoided. Naturally, it is important to take into account any existing medical conditions and the use of medications that may cause interactions. It is also important to start with a low dose.

CBA Apotheek offers various strengths of different cannabis products, making it possible to start with a lower strength (dosage). The dosage can then be cautiously increased according to the agreed schedule. After that, it is important to carefully monitor the effects and any side effects. This is one of the reasons why a follow-up consultation is scheduled. Of course, in the event of troubling side effects, it is important to contact CBA Apotheek at an earlier stage.