Table 4.
Drug interactions classified as ‘hazardous’ or ‘avoid’ in the BNF: how they were classified in other compendia
| Vidal (%) | DIF (%) | Micromedex (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BNF | NI | CI | A | O | NI | S1 | S2 | OS | NI | Maj | Mod | Min |
| Hazardous | 42.2 | 8.8 | 14.0 | 35.0 | 40.2 | 15.6 | 26.2 | 18.0 | 24.4 | 24.0 | 44.8 | 3.8 |
| Avoid | 39.5 | 31.2 | 17.4 | 11.9 | 41.8 | 32.7 | 16.4 | 9.1 | 20.4 | 61.1 | 16.8 | 1.7 |
NI = not included. CI = contraindication. A = avoid. O = other categories including ‘to take into account’ and ‘precautions’. S = significance rating. OS = other significance ratings. Maj = major severity. Mod = moderate severity. Min = minor severity.