Table 1.
Types of prescription errors detected
| Type | Errors |
|
|---|---|---|
| N | % | |
| Incomplete/inadequate prescription | 78 | 58.2% |
| Directions missing/noting only “take as directed” | 25 | 18.7% |
| Directions unclear | 13 | 9.7% |
| Quantity calculated in error | 19 | 14.2% |
| Quantity missing | 12 | 9.0% |
| Quantity sufficient but no indication of number of days | 9 | 6.7% |
| Dosing outside recommended range | 27 | 20.1% |
| Below recommended dose | 7 | 5.2% |
| Duration outside recommended range | 1 | 0.7% |
| Higher than recommended dose | 12 | 9.0% |
| Frequency outside recommended range | 5 | 3.7% |
| Other (unable to find indication for nonprocedural use) | 2 | 1.5% |
| Drug selection errors | 29 | 21.6% |
| Direction/dosage mismatch | 17 | 12.7% |
| Dosage form not available | 6 | 4.5% |
| Not recommended for age | 1 | 0.7% |
| Wrong dosage form | 5 | 3.7% |