Table 2.
Identified drug-related problems (DRPs) as classified by the GSASA classification system29
| Description | Total=595, n (%) |
| Detected problem | |
| Safety of treatment | 182 (30.6) |
| Patient dissatisfaction | 154 (25.9) |
| Treatment effectiveness | 107 (18.0) |
| Untreated indication | 52 (8.7) |
| Treatment costs | 7 (1.2) |
| Classification not possible | 93 (15.6) |
| Cause of problem | |
| Insufficient knowledge of the patient | 138 (23.2) |
| Incomplete patient documentation | 118 (19.8) |
| No concordance with guidelines or contraindication | 60 (10.1) |
| Drug not indicated or duplication | 46 (7.7) |
| Treatment not received | 46 (7.7) |
| Interaction | 36 (6.1) |
| Overdose | 29 (4.9) |
| Underdose | 25 (4.2) |
| Inappropriate therapy duration | 20 (3.4) |
| Insufficient adherence | 19 (3.2) |
| Inappropriate timing or frequency of administration | 14 (2.4) |
| Adverse effect | 12 (2.0) |
| Dose not adjusted to organ function | 9 (1.5) |
| Inappropriate dosage form | 7 (1.2) |
| Error in medication process | 3 (0.5) |
| Insufficient knowledge of healthcare professionals | 2 (0.3) |
| Prescribed drug not available | 1 (0.2) |
| Classification not possible | 10 (1.7) |
| Manifest | 34 (5.7) |
| Potential | 561 (94.3) |
GSASA, Swiss Association of Public Health Administration and Hospital Pharmacists.