Indication

Atropine for Organophosphate poisoning

150 sources122 named agencies37 statesas of 2026-10-31

Adult dosing has a median of 2 mg across 144 published protocols, with the middle half between 2 and 2.

150sources

122named agencies

37states

291entries

120named here

Includes 1 agency outside the US.

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

Adultmg

144sources

116named agencies

37states

156entries

0kept as written

min	p25	median	p75	max
1	2	2	2	4

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 37%
IV 24%
IV/IO/IM 17%
IV/IM 14%
IM 6%
IO 1%
IV/ET 1%
IV/IO/IM/ET 1%
IV/IO/IM/SQ/ET 1%

United States EMS Protocol Census, n=144 protocols from 116 named agencies / 37 states, updated Oct 2026

Pediatric, weight-basedmg/kg

113sources

92named agencies

33states

122entries

0kept as written

min	p25	median	p75	max
0.02	0.02	0.05	0.05	0.1

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 40%
IV 21%
IV/IO/IM 16%
IV/IM 14%
IM 3%
ET 1%
IO 1%
IV/ET 1%
IV/IO/ET 1%
IV/IO/IM/ET 1%
IV/IO/IM/SQ/ET 1%

United States EMS Protocol Census, n=113 protocols from 92 named agencies / 33 states, updated Oct 2026

Pediatricmg

9sources

6named agencies

5states

9entries

0kept as written

min	p25	median	p75	max
0.5	1	1	2	2

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 33%
IV/IO/IM 33%
IM 22%
IV/IO 11%

United States EMS Protocol Census, n=9 protocols from 6 named agencies / 5 states, updated Oct 2026

Adult, weight-basedmg/kg

4sources

4named agencies

4states

4entries

0kept as written

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

Routes

IV/IO 50%
IV 25%
IV/IM 25%

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

Named agencies with a page120

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