US EMS Protocol Census
Indication

Ondansetron for Mild to moderate pain

1,335 under review11 sources8 named agencies7 statesas of 2026-09-20

Adult dosing has a median of 4 mg across 11 published protocols, with the middle half between 4 and 4.

11sources
8named agencies
7states
16entries
8named here

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

Adultmg

11sources
8named agencies
7states
11entries
0kept as written
minp25medianp75max
44444

Values in mg. One value per source (that source's median), so a document listing a drug five times still gets one vote.

Routes

  • IV 27%
  • IV/IM 18%
  • IV/IO/IM 18%
  • IV/IM/ODT 9%
  • IV/IO 9%
  • IV/IO/IM/ODT 9%
  • IV/IO/IM/PO 9%

United States EMS Protocol Census, n=11 protocols from 8 named agencies / 7 states, updated Sep 2026

Pediatric, weight-basedmg/kg

5sources
4named agencies
4states
5entries
0kept as written
minp25medianp75max
0.10.10.10.150.15

Values in mg/kg. One value per source (that source's median), so a document listing a drug five times still gets one vote.

Routes

  • IV/IO 40%
  • IV 20%
  • IV/IM 20%
  • IV/IO/IM/PO 20%

United States EMS Protocol Census, n=5 protocols from 4 named agencies / 4 states, updated Sep 2026

Named agencies

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