This patient presents with symptoms consistent with acute hypersensitivity reaction, likely acute allergic reaction. Presentation not consistent with acute anaphylaxis (lack of pulmonary, dermatologic, cardiovascular or GI symptoms, lack of hypotension or exposure to known allergen), angioedema, serum sickness (no recent drug exposure, lacks fevers, arthralgias), ingestion of preformed toxin. No evidence of airway compromise or shock at this time. Plan to treat for an allergic reaction with H1/H2 blockers, steroids. No indication for epinephrine at this time.*** Given lack of respiratory symptoms, no indication for EpiPen Rx.***

Plan: ***H1/H2 blockers, steroids, close hemodynamic monitoring, serial reassessment