The prevalence of users with inhibitors was 26.5 per 1000 people with drug dispensing and the prevalence of users with inducers was 15.1 per 1000 people with drug dispensing.

Potential drug interactions occurred in almost a third of patients and the prevalence was 12.4 per 1000 people with drug dispensing.

Possible drug interactions were predominant in patients receiving antiseizure medications (39.7%) and antifungal medications (31.5%).