| Oral anticoagulants | Lack of knowledge of dose and dosage schedule. | Transcription of the haematology guideline by the pharmacy service and dispensation of the right dose for each day. Establish INR monitoring protocols. |
| Heparin | Confusion between doses and concentration. Possible confusion with insulins when dosed also in units. | Reduce the variety of available presentations and indicate that heparin should be separated from insulin as well as from other drugs that are prescribed in units. |
| Insulins | Confusion between the different types, marks and concentrations. | Prescription by trademark, decrease the number of presentations in the hospital. |
| Intravenous potassium chloride | Storage of the solutions concentrated in the kits. | Remove potassium vials from care units and use pre-mixed potassium prepared by industry or pharmacy service. |
| Oral metrotexate | Daily administration instead of weekly. | Treatments conciliation (dosage and frequency of administration) to avoid overdosing. |