<format type="yaml">{report_id: string, report_date: date, patient_details: {patient_id: string, age_at_reaction: number optional, gender: string, relevant_history: list[string]}, suspected_drugs: list[{drug_name: string, drug_class: string optional, dosage: string, route_of_administration: string, start_date: date, end_date: date optional, indication_for_use: string}], adverse_reactions: list[{symptom_name: string, onset_date: date, severity: string, outcome: string, intervention_required: boolean, intervention_details: string optional}], causality_assessment: {naranjo_score: number optional, assessment_conclusion: string, dechallenge_rechallenge: string}, reporting_facility: string, reporter_type: string, notes: string optional}</format> <data>PHARMACOVIGILANCE CASE REPORT - CONFIDENTIAL
Report Identifier: ADR-2025-520
Date of Submission: 2025-03-17

This report was submitted by a Nurse from Martin-York Medical Center concerning patient ANON-PX-3489. The subject is a 72-year-old other with a significant medical history including coronary artery disease, atrial fibrillation. The facility's standard operating procedure for ADR reporting was followed, and all patient data has been anonymized. The patient chart was reviewed for comorbidities. 

Current medication review revealed the following suspected agent(s): Gabapentin (Anticonvulsant) administered via the Topical route at a dosage of 473mg, initiated on 2025-02-09 for Neuropathic pain and discontinued on 2025-02-25.

On approximately 2025-02-25, the patient began to manifest an adverse event. The primary symptoms noted in the clinical log were Pruritus, Headache. The Pruritus was classified as Moderate in severity. This necessitated clinical intervention. The documented action was: Prescribed wide and advised yes. The current patient status regarding this symptom is 'Recovered'. The Headache was classified as Severe in severity. This necessitated clinical intervention. The documented action was: Prescribed current and advised among. The current patient status regarding this symptom is 'Unknown'. 

CAUSALITY ASSESSMENT:
An evaluation of causality was performed. A Naranjo score of 7 was calculated, The assessment concluded the relationship was 'Probable'. Dechallenge/Rechallenge status was noted as: 'Positive dechallenge'. The on-site pharmacist concurred with the assessment during a routine case review. 

</data>
report_id: ADR-2025-520
report_date: '2025-03-17'
patient_details:
  patient_id: ANON-PX-3489
  gender: Other
  relevant_history:
  - coronary artery disease
  - atrial fibrillation
  age_at_reaction: 72
suspected_drugs:
- drug_name: Gabapentin
  dosage: 473mg
  route_of_administration: Topical
  start_date: '2025-02-09'
  indication_for_use: Neuropathic pain
  drug_class: Anticonvulsant
  end_date: '2025-02-25'
adverse_reactions:
- symptom_name: Pruritus
  onset_date: '2025-02-25'
  severity: Moderate
  outcome: Recovered
  intervention_required: true
  intervention_details: Prescribed wide and advised yes.
- symptom_name: Headache
  onset_date: '2025-02-25'
  severity: Severe
  outcome: Unknown
  intervention_required: true
  intervention_details: Prescribed current and advised among.
causality_assessment:
  assessment_conclusion: Probable
  dechallenge_rechallenge: Positive dechallenge
  naranjo_score: 7
reporting_facility: Martin-York Medical Center
reporter_type: Nurse
