Table 2. Antimicrobial drugs administered to patient with inhalational anthrax diagnosed on hospital day 3, Minnesota, USA, 2011*.

Antimicrobial drug	Dose	Route, frequency	Hospital and post-hospitalization days medication administered
Ceftriaxone	2.0 g	IV, every 24 h	1–4
Azithromycin	500 mg	IV, every 24 h	1–3
Ciprofloxacin	400 mg	IV, every 12 h	2–26
Meropenem	1.0 g	IV, every 8 h	3–4
Vancomycin	2.0 g	IV, once	3
Clindamycin	900 mg	IV, every 8 h	4–14
Rifampin	300 mg	Enteral, every 12 h	4–8
Meropenem	1.0 g	IV, every 8 h	8–22
Ciprofloxacin	500 mg	Oral, every 12 h	26; PH 1-35†

*IV, intravenous; hospital day, number of days in hospital including day of admission; PH, post-hospitalization days.
†IV medication was discontinued and oral medication was started on day of discharge (hospital day 26) and continued for 35 additional days to complete 60 days of therapy.