What does “Drug interaction” mean?
An effect one medicine has on how another behaves in the body.
Drug interaction in plain English
An effect one medicine has on how another behaves in the body.
CBD in particular affects liver enzymes that metabolise many other drugs, which can raise or lower their levels. Interactions with sedatives, some blood thinners and some antiepileptic medicines are the ones that most often matter.
This is the main practical reason your GP needs to know about a private prescription, and why a full medicines list — including anything bought over the counter — belongs in the consultation.
Frequently asked questions
What does drug interaction mean?
An effect one medicine has on how another behaves in the body.
Sources and further reading
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