🏥 Medication Reconciliation (Medicinal Reconciliation)

By Dr. Sk Sabir Rahaman, MBBS, MD (Pharmacology), DFM(Family Medicine), FCFM, CCEBDM, CCLSD 

📍 Specialist Family Physician | Consultant Pharmacologist | Lifestyle & Diabetes Expert

1. Definition

Medication reconciliation is a formal, systematic process of compiling the most accurate and complete list of all medications a patient is currently taking — including drug name, dose, frequency, and route — and comparing it with the physician’s active orders at every transition of care.

🔑 Goal: To ensure the patient receives the right medications at all times, preventing errors such as omissions, duplications, dosing mistakes, or harmful drug–drug interactions.

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2. Purpose & Importance

• Prevents medication errors during care transitions (admission, transfer, discharge).

• Reduces adverse drug events (ADEs), a major cause of hospital morbidity.

• Ensures continuity of care across providers, facilities, and home.

• Improves patient safety, adherence, and clinical outcomes.

• Required by global patient safety standards:

  • WHO Patient Safety Programme

  • Joint Commission International (JCI) – National Patient Safety Goals

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3. When to Perform Medication Reconciliation

Must be done at every transition point in care, including:

• At Admission (hospital, nursing home, rehabilitation center, emergency department).

• At Transfer (between units such as ICU → ward, or across providers/departments).

• At Discharge (to home, outpatient setting, or another facility).

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4. The 5-Step Process

Step 1 – Collect (Best Possible Medication History, BPMH)

• Sources: Patient/caregiver interview, old prescriptions, pharmacy refill records, medical records, medication bottles.

• Include:

  • Prescription drugs

  • Over-the-counter (OTC) medications

  • Herbal/traditional medicines

  • Dietary supplements (vitamins, minerals)

Step 2 – Verify

• Check accuracy of:

  • Drug name

  • Dose

  • Route

  • Frequency

• Clarify unclear or conflicting information with prescribers, pharmacists, or caregivers.

Step 3 – Reconcile

• Compare BPMH with physician’s current orders.

• Identify & resolve discrepancies:

  • Omission

  • Duplication

  • Wrong dose/route/frequency

  • Drug–drug or drug–disease interactions

Step 4 – Document

• Record the reconciled list in the patient’s medical chart.

• Document rationale for any intentional changes.

Step 5 – Communicate

• Share updated list with:

  • Patient & caregivers (in plain language)

  • Next care provider (primary physician, pharmacist, specialist, nurse).

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5. Types of Discrepancies

• Unintentional → errors such as omission, duplication, wrong dose.

• Intentional → purposeful changes made by clinician (must be documented).

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6. Roles & Responsibilities

• Physicians: Make final prescribing decisions.

• Pharmacists: Lead reconciliation, detect errors, review drug interactions.

• Nurses: Assist in history-taking, patient education, double-check administration.

• Patients/Caregivers: Provide accurate medication history, disclose adherence issues.

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7. Challenges & Barriers

• Polypharmacy (common in elderly, chronically ill).

• Multiple prescribers without coordinated records.

• Patient recall limitations.

• Incomplete/fragmented documentation.

• Time constraints in busy clinical settings.

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8. Strategies to Improve

• Electronic Health Records (EHRs) with shared access.

• Standardized forms/checklists for BPMH.

• Patient education on maintaining an updated medication list.

• Involvement of clinical pharmacists at admission/discharge.

• Policy enforcement (e.g., JCI standards).

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9. Clinical Impact

• Reduces adverse drug events by ≥50%.

• Lowers readmission rates.

• Improves patient satisfaction and trust.

• Cost-effective: prevents medication-related hospitalizations.

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10. Example Case

Case:
A 65-year-old man with diabetes, hypertension, and COPD admitted to hospital.

• Home meds: Metformin, Amlodipine, Salbutamol inhaler.

• Hospital orders (without reconciliation): Only Metformin prescribed.

⚠️ Risk: Hypertension uncontrolled, COPD exacerbation likely.

✅ After reconciliation: Amlodipine + Salbutamol inhaler restarted → safe, effective, and continuous treatment.

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11. Summary

Medication reconciliation is a safety-critical process to maintain the correct drug, dose, route, and frequency across all transitions of care. Successful implementation requires interdisciplinary collaboration, standardized procedures, and patient engagement. By preventing medication errors, it safeguards patients, optimizes therapy, and enhances healthcare quality.