Contact: research@protoquiz.com

Indication

Promethazine for Other

21 sources14 named agencies12 statesas of 2026-10-31

Adult dosing has a median of 12.5 mg across 19 published protocols, with the middle half between 12.5 and 18.75.

21sources
14named agencies
12states
42entries
14named here

Doses far off from what other protocols give are likely misreads, so they are left out until checked. How that works.

Adultmg

19sources
12named agencies
11states
27entries
0kept as written
minp25medianp75max
6.2512.512.518.7525

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

Routes

  • IM 33%
  • IV 26%
  • IV/IM 15%
  • IV/IO/IM 11%
  • IM/PO 7%
  • IV/IO 7%

United States EMS Protocol Census, n=19 protocols from 12 named agencies / 11 states, updated Oct 2026

Pediatric, weight-basedmg/kg

10sources
5named agencies
7states
14entries
0kept as written
minp25medianp75max
0.250.250.250.43750.5

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

Routes

  • IM 29%
  • IM/PO 21%
  • IV/IO 14%
  • IV 7%
  • IV/IM 7%
  • IV/IO/IM 7%
  • IV/IO/IM/PO 7%
  • PO 7%

United States EMS Protocol Census, n=10 protocols from 5 named agencies / 7 states, updated Oct 2026

Pediatricmg

1sources
0named 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 100%

United States EMS Protocol Census, n=1 protocols from 0 named agencies / 1 states, updated Oct 2026

Named agencies with a page14

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

Training reference compiled from published protocols. Not a clinical order. Verify with your agency and medical director.