Potential drug-related problems, type and subtype | Number of cases |
---|---|
Improper drug selection | |
 Prescribing the wrong drug | 30 |
 Duplication of drug with similar effect | 140 (4) |
 Contraindications (except drug interaction) | 144 (3) |
 Careful administration | 42 |
 Use during pregnancy, delivery, or lactation (except contraindications) | 2 |
 Prescription of discontinued drug | 30 |
 Administration of stoppable drug | 70 |
Drug interaction | |
 Contraindications for co-administration | 24 |
 Precautions for co-administration | 61 |
Overdosage | |
 Overdosage | 585 (1) |
 Dosing rate too fast | 15 |
 Dilute concentration too high | 8 |
Subtherapeutic dosage | |
 Underdosage | 129 (5) |
 Dosing rate too slow | 11 |
 Dilute concentration too low | 5 |
Inappropriate route selection | |
 Intravenous drug incompatibility |  |
 Inappropriate solvent | 26 |
 Inappropriate route | 26 |
 Inappropriate use of filter | 2 |
Improper dosing timing | |
 Inappropriate dosing time | 55 |
 Lack of rest period | 12 |
Drug use requiring therapeutic drug monitoring | |
 Initial dose setting | 43 |
 Dose setting (except initial case) | 63 |
Poor compliance | |
 Overuse | 12 |
 Underuse | 1 |
 Does not take medicine | 15 |
 Taking a cancelled drug | 4 |
 Inappropriate crushing or dissolution of tablets | 68 |
 Difficulty using dosage form | 60 |
Untreated/undertreated indications | |
 Necessary medication not started/restarted | 117 |
 Omission of prescription | 166 (2) |
 Condition undertreated | 39 |
 Drug must be discontinued before a test/surgery | 24 |
 Stopping a drug that should be continued | 18 |
Lack of monitoring by examination | |
 Necessary examination not performed | 82 |
Adverse drug reactions | |
 Presence of serious adverse drug reactions | 40 |
 Presence of other adverse drug reactions | 99 |
 History of serious adverse reactions | 8 |
 History of other adverse drug reactions | 28 |
Consultation from doctor | |
 Drug selection | 10 |
 Dosage selection | 16 |
 Drug and dosage selection | 20 |
 Other | 6 |
Other | |
 Other | 20 |
Overall | 2,376 |