You are an FY2 Doctor on the renal ward. When admitting a patient, you wrote that they are allergic to penicillin in their drug chart. The patient is prescribed a penicillin-based antibiotic by another colleague, and as a result, develops a widespread rash. Nonetheless, they make a full recovery and a new drug chart is written up. When you look back at the prescription chart that you completed, you realise that what you had written is illegible.
Choose the three most appropriate actions to take in this situation: