Drug

Ondansetron in US EMS protocols

1,335 under review173 sources151 named agencies41 statesas of 2026-09-20

173 published protocols carry Ondansetron across 9 indications, from 151 named agencies in 41 states.

173protocols

151named agencies

41states

9indications

574dose entries

99% of 574machine-parsed

1,335 rows are under review across the census and excluded from every number on this page. How that works.

Indications9

Only groups with at least 5 sources publish a distribution; thinner groups show their count alone.

Indication	Population	Sources	Median	Middle half	Unit
ACS / chest pain	Adult	5	4	4–8	mg
Nausea / vomiting	Adult	158	4	4–4	mg
Nausea / vomiting	Adult, weight-based	11	0.15	0.1–0.15	mg/kg
Nausea / vomiting	Pediatric	58	4	2–4	mg
Nausea / vomiting	Pediatric, weight-based	107	0.1	0.1–0.15	mg/kg
Other	Adult	14	4	4–4	mg
Other	Pediatric, weight-based	6	0.125	0.1–0.15	mg/kg
Mild to moderate pain	Adult	11	4	4–4	mg
Mild to moderate pain	Pediatric, weight-based	5	0.1	0.1–0.15	mg/kg

Agencies whose protocols are a public record are named here. Their own doses are on their own pages; this list carries no values.

6 more agencies are counted but have too little published detail for a page yet.