Criteria - onset within 24 hours of influenza vaccination of:
(1) bilateral red eyes, with or without itching
(2) respiratory symptoms (cough, wheezing, chest tightness/discomfort, difficulty breathing, sore throat, hoarseness, difficulty swallowing)
(3) facial swelling involving the eyelids, tongue, lip or other facial structures
where:
• I am uncertain how to handle redness of only 1 eye or onset 24-48 hours after vaccination.
Grading scale for symptoms:
(1) easily tolerated (minimal)
(2) interfered with regular activities
(3) prevented regular activities
(4) required medical intervention
Differential diagnosis - need to exclude:
(1) allergic reaction
(2) coincident infection
