If any one of following, give azithromycin 500mg PO q24h x 3 days:
persistent symptoms (1 week)
Motile, comma-shaped, Gram-negative bacilli
Transmission occurs by ingestion of contaminated food or water or by direct contact with fecal material from infected animals or people.
Diarrheal illness: usually self resolving.
Immunoreactive complications can occur:
Treatment may shorten the duration of illness by 1 day.