Indication

Famotidine for Allergic reaction

17 sources14 named agencies12 statesas of 2026-10-31

Adult dosing has a median of 20 mg across 16 published protocols, with the middle half between 20 and 20.

17sources

14named agencies

12states

35entries

14named here

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

Adultmg

16sources

14named agencies

11states

20entries

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 55%
IV/PO 15%
PO 15%
IV 10%
IV/IO/PO 5%

United States EMS Protocol Census, n=16 protocols from 14 named agencies / 11 states, updated Oct 2026

Pediatric, weight-basedmg/kg

10sources

8named agencies

8states

11entries

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 73%
IV 9%
IV/IO/PO 9%
IV/PO 9%

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

Pediatricmg

2sources

2named agencies

2states

3entries

0kept as written

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

Routes

PO 67%
IV/PO 33%

United States EMS Protocol Census, n=2 protocols from 2 named agencies / 2 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

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.