Table 2 Top 10 most frequently administered potentially inappropriate medications in the base cohort (N = 6,346)
Medication | Therapeutic category | No. of users | Prevalence of PIM use (%) |
|---|---|---|---|
Chlorpheniramine | First-generation antihistamines | 1,031 | 16.2 |
Lorazepam | Benzodiazepines | 382 | 6.0 |
Promethazine | First-generation antihistamines | 288 | 4.5 |
Gliclazide | Sulphonylureas | 280 | 4.4 |
Clonazepam | Benzodiazepines | 175 | 2.8 |
Diphenhydramine | First-generation antihistamines | 171 | 2.7 |
Trihexyphenidyl | Antiparkinsonian agents | 125 | 2.0 |
Hydroxyzine | First-generation antihistamines | 109 | 1.7 |
Zolpidem | Nonbenzodiazepine | 105 | 1.7 |
Scopolamine (Hyoscine) | Gastrointestinal antispasmodics | 102 | 1.6 |
Cyproheptadine | First-generation antihistamines | 81 | 1.3 |