Table 2. Categories of Warnings.
Categories of warnings generated for drug-drug interactions (DDI) on Epocrates® and Medscape®.
| Category number | Code used | Category on Epocrates® | N (%) | Code used | Category on Medscape® | N (%) |
| 0 | e0 | None | 41 (2.8) | m0 | None | 704 (47.6) |
| 1 | e1 | Caution advised | 364 (24.6) | m1 | Minor | 160 (10.8) |
| 2 | e2 | Monitor/Modify treatment | 888 (60) | m2 | Significant - Monitor closely | 542 (36.6) |
| 3 | e3 | Avoid/Use alternative | 177 (11.9) | m3 | Serious - Use alternative | 74 (5) |
| 4 | e4 | Contraindicated | 2 (0.1) | - | - | - |
| 5 | e5 | Therapeutic advantage | 8 (0.5) | - | - | - |