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. 2013 Dec 17;13:1192. doi: 10.1186/1471-2458-13-1192

Table 6.

Classification of DRP (N = 191)

Code Detailed classification n (%)
P1
Adverse reactions
31 (7.6)
P1.1
Side-effect suffered (non-allergic)
27 (6.6)
P1.2
Side-effect suffered (allergic)
4 (1.0)
P2
Drug choice problem
106 (26.1)
P2.1
Inappropriate drug (not most appropriate for indication)
27 (6.7)
P2.2
Inappropriate drug form (not most appropriate for indication)
1 (0.2)
P2.3
Inappropriate duplication of therapeutic group or active ingredient
9 (2.2)
P2.4
Contra-indication for drug (incl. Pregnancy/breast feeding)
15 (3.7)
P2.5
No clear indication for drug use
8 (2.0)
P2.6
No drug prescribed but clear indication
46 (11.3)
P3
Dosing problem
58 (14.3)
P3.1
Drug dose too low or dosage regime not frequent enough
41 (10.1)
P3.2
Drug dose too high or dosage regime too frequent
10 (2.5)
P3.3
Duration of treatment too short
6 (1.5)
P3.4
Duration of treatment too long
1 (0.2)
P4
Drug use problem
58 (14.3)
P4.1
Drug not taken/administered at all
58 (14.3)
P5
Interactions
73 (18.0)
P5.1
Potential interaction
73 (18.0)
P6
Others
80 (19.7)
P6.1
Patient dissatisfied with therapy despite taking drug(s) correctly
23 (5.7)
P6.2
Insufficient awareness of health and diseases (possibly leading to future problems)
48 (11.8)
P6.3
Unclear complaints. Further clarification necessary
2 (0.5)
P6.4
Therapy failure (reason unknown)
7 (1.7)
Total   *406 (100.0)

*A patient may have one or more DRP. DRPs of code P1.3 (toxic effect suffered), P4.2 (wrong drug taken/administered at all) and P5.2 (manifest interaction) were not listed in the table as none of the patients experienced these problems.