Table 3.
Drug interactions classified as ‘contraindication’ or ‘to avoid’ in Vidal: how they were classified in other compendia
| BNF (%) | DIF (%) | Micromedex (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Vidal | NI | H | NH | NI | S1 | S2 | OS | NI | Maj | Mod | Min |
| Contraindication | 29.5 | 67.0 | 3.5 | 44.6 | 35.6 | 11.9 | 7.9 | 27.9 | 61.5 | 10.6 | 0 |
| Avoid | 21.7 | 65.7 | 12.6 | 43.3 | 14.7 | 30.8 | 11.2 | 23.5 | 40.9 | 34.9 | 0.7 |
| Total | 24.7 | 66.2 | 9.1 | 43.9 | 23.4 | 22.9 | 9.8 | 25.3 | 49.4 | 94.9 | 0.4 |
NI = not included. H = hazardous. NH = nonhazardous. S = significance rating. OS = other significance ratings. Maj = major severity. Mod = moderate severity. Min = minor severity.