| POTASSIUM | >5.5 meq/l | |
| ACEI/ARA | | 2 |
| Creatinine | >1.4 mg/dl | |
| High-efficiency diuretics | | 2 |
| Potassium supplement | | 1 |
| ACEI/ARA | | |
| Potassium-sparing diuretic + potassium supplement | | 1 |
| Lithium | | |
| ARA + Potassium | | 1 |
| Aminoglycosides | | |
| Platelets | <140000/mm3 | |
| LMWH | | 12 |
| Vancomycin | | |
| Sodium | <135 mmol/l | |
| Oxcarbamazepine | | 1 |
| Allopurinol | | |
| Altered thyroid hormones | | |
| Lithium | | 1 |
| LMWH | | 3 |
| Amiodarone | | 1 |
| Metformin | | |
| Potassium | < 3.6 meq/l | |
| High efficiency diuretics | | 13 |
| *Combination of two of these drugs | | 14 |
| Diuretics high efficiency + digoxin | | 1 |
| *Combination of three of these drugs | | 10 |
| ALT/AST | >31/32 U/l | |
| Oxcarbamazepine | | 1 |
| *Combination of four of these drugs | | 4 |