ADR: Adverse Drug Reactions

Adverse drug reactions or adverse effects are terms used to describe the unwanted side effects that can occur when using medications.

Also known as adverse events, ADRs are any negative reactions to medications that were unintended or unwanted. If you experience adverse drug reactions or unpleasant side effects when taking medical cannabis, contact your prescribing specialist or clinical team for advice. 


What is an ADR in medical cannabis?


An ADR, or adverse drug reaction, refers to any unwanted or unintended response following the administration of medical cannabis. These reactions can range from mild to severe and differ based on factors such as dosage size, your tolerance to cannabinoids, your metabolism, and the method of administration.


How can you identify an ADR from medical cannabis?


An ADR from medical cannabis may manifest as unexpected side effects like dizziness, nausea, heightened anxiety, a racing heartbeat, or changes in appetite. If you notice unusual symptoms, note them and consult your prescribing specialist for advice. 


Are medical cannabis ADRs dangerous?


No, for the vast majority of patients, medical cannabis ADRs are not dangerous and can usually be managed by adjusting the dosage or method of administration. However, if you experience severe or persistent ADRs, you should seek immediate medical attention.


How can you reduce the risk of ADRs from medical cannabis?


To reduce the risk of ADRs from medical cannabis, it is important to follow your specialist's instructions carefully and inform them of any other medications you may be taking. Additionally, start with a low dosage and gradually increase as needed while monitoring for any potential ADRs. 


Can you build a tolerance to medical cannabis?


Yes, over time, patients taking medical cannabis products regularly may develop a tolerance to its effects. This means that they may need higher doses to achieve the same level of relief. Your specialist will work with you to make sure that you are receiving the right dosage for your condition.


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