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Open Access Publications from the University of California

Emergency Department Treatment Provides Immediate and Durable Relief Following Vaccine Injury: A Case Report

Creative Commons 'BY' version 4.0 license

Introduction: Intramuscular administration of vaccines into the deltoid muscle is the recommended route for most vaccines in adults. Ectopic injection into the subdeltoid/subacromial bursa can produce an inflammatory bursitis that is associated with significant long-term morbidity.

Case Report: We describe a novel approach to treatment of this condition: ultrasound-guided administration of dexamethasone by the emergency physician within six hours of vaccine administration. This approach resulted in complete and durable long-term resolution of symptoms with no functional impairment.

Conclusion: This outcome is superior to that described for usual care, and the approach is well-suited to emergency physicians.

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