Distribution of different types of prescribing errors
| Types of prescribing error | Frequency | All errors, % |
|---|---|---|
| Incomplete information on prescription | 74 | 30.0 |
| Dose/strength error | 44 | 17.8 |
| Timing error | 26 | 10.5 |
| Frequency error | 20 | 8.1 |
| Omission of concomitant treatment | 19 | 7.7 |
| Unnecessary drug | 12 | 4.9 |
| Contraindication error | 12 | 4.9 |
| Incorrect drug | 10 | 4.0 |
| Duplication | 9 | 3.6 |
| Interaction error | 9 | 3.6 |
| Allergy error | 3 | 1.2 |
| Inadequate documentation in medical records | 3 | 1.2 |
| Quantity error | 3 | 1.2 |
| Formulation error | 2 | 0.8 |
| Generic/brand name error | 1 | 0.4 |
| Total | 247 | 100.0 |
| Type of monitoring error | ||
| Monitoring not requested | 38 | 69.1 |
| Requested but not done | 12 | 21.8 |
| Results not available | 5 | 9.1 |
| Total | 55 | 100.0 |