Indication

Famotidine for Anaphylaxis

11 sources8 named agencies10 statesas of 2026-10-31

Adult dosing has a median of 20 mg across 10 published protocols, with the middle half between 20 and 20.

11sources

8named agencies

10states

19entries

8named here

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

Adultmg

10sources

8named agencies

9states

11entries

0kept as written

min	p25	median	p75	max
20	20	20	20	40

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

Routes

IV/IO 36%
IV 27%
PO 18%
IV/IM/PO 9%
IV/IO/PO 9%

United States EMS Protocol Census, n=10 protocols from 8 named agencies / 9 states, updated Oct 2026

Pediatric, weight-basedmg/kg

6sources

5named agencies

5states

6entries

0kept as written

min	p25	median	p75	max
0.25	0.25	0.25	0.4375	0.5

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

IV/IO 50%
IV 33%
IV/IO/PO 17%

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

Adult, weight-basedmg/kg

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 100%

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

PO 100%

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

Named agencies with a page8

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