US EMS Protocol Census
Indication

Ondansetron for Other

1,335 under review14 sources12 named agencies13 statesas of 2026-09-20

Adult dosing has a median of 4 mg across 14 published protocols, with the middle half between 4 and 4.

14sources
12named agencies
13states
30entries
12named here

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

Adultmg

14sources
12named agencies
13states
20entries
0kept as written
minp25medianp75max
24448

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 30%
  • IV/ODT 15%
  • PO 15%
  • IV/IM/PO 5%
  • IV/IO 5%
  • IV/IO/IM 5%
  • IV/IO/IM/ODT 5%
  • IV/IO/IM/PO 5%
  • IV/IO/IM/PO/ODT 5%
  • IV/PO 5%
  • ODT 5%

United States EMS Protocol Census, n=14 protocols from 12 named agencies / 13 states, updated Sep 2026

Pediatric, weight-basedmg/kg

6sources
5named agencies
6states
9entries
0kept as written
minp25medianp75max
0.10.10.1250.150.15

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 33%
  • IV/ODT 33%
  • IV/IO 11%
  • IV/IO/IM/PO 11%
  • IV/IO/IM/PO/ODT 11%

United States EMS Protocol Census, n=6 protocols from 5 named agencies / 6 states, updated Sep 2026

Pediatricmg

1sources
1named agencies
1states
1entries
0kept as written

Below 5 sources, so no distribution is published for this group — only the counts above.

Routes

  • IV/IO/IM/PO 100%

United States EMS Protocol Census, n=1 protocols from 1 named agencies / 1 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.