<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-2025-525
Date of Submission: 2025-07-22

This report was submitted by a Other Healthcare Professional from Taylor, Marquez and Sampson Medical Center concerning patient ANON-PX-2235. The subject is a 46-year-old male with a significant medical history including anxiety, atrial fibrillation, coronary artery disease, seasonal allergies. 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): Warfarin (Anticoagulant) administered via the Oral route at a dosage of 378mg, initiated on 2025-05-21 for Thromboembolism prevention with the course ongoing.

On approximately 2025-07-04, the patient began to manifest an adverse event. The primary symptoms noted in the clinical log were Dizziness, Diarrhea, Headache. The Dizziness was classified as Severe in severity. This necessitated clinical intervention. The current patient status regarding this symptom is 'Fatal'. The Diarrhea was classified as Moderate in severity. No specific therapeutic intervention was required. The current patient status regarding this symptom is 'Not Recovered'. The Headache was classified as Moderate in severity. This necessitated clinical intervention. The documented action was: Prescribed seven and advised stand. The current patient status regarding this symptom is 'Recovered'. 

CAUSALITY ASSESSMENT:
An evaluation of causality was performed. A Naranjo score of 8 was calculated, The assessment concluded the relationship was 'Probable'. Dechallenge/Rechallenge status was noted as: 'Rechallenge not performed'. The on-site pharmacist concurred with the assessment during a routine case review. 

Reporter's Narrative Summary: Couple agency newspaper professional wrong nation begin.</data>
report_id: ADR-2025-525
report_date: '2025-07-22'
patient_details:
  patient_id: ANON-PX-2235
  gender: Male
  relevant_history:
  - anxiety
  - atrial fibrillation
  - coronary artery disease
  - seasonal allergies
  age_at_reaction: 46
suspected_drugs:
- drug_name: Warfarin
  dosage: 378mg
  route_of_administration: Oral
  start_date: '2025-05-21'
  indication_for_use: Thromboembolism prevention
  drug_class: Anticoagulant
adverse_reactions:
- symptom_name: Dizziness
  onset_date: '2025-07-04'
  severity: Severe
  outcome: Fatal
  intervention_required: true
- symptom_name: Diarrhea
  onset_date: '2025-07-04'
  severity: Moderate
  outcome: Not Recovered
  intervention_required: false
- symptom_name: Headache
  onset_date: '2025-07-04'
  severity: Moderate
  outcome: Recovered
  intervention_required: true
  intervention_details: Prescribed seven and advised stand.
causality_assessment:
  assessment_conclusion: Probable
  dechallenge_rechallenge: Rechallenge not performed
  naranjo_score: 8
reporting_facility: Taylor, Marquez and Sampson Medical Center
reporter_type: Other Healthcare Professional
notes: Couple agency newspaper professional wrong nation begin.
