Indication

Ketamine for Mild to moderate pain

142 sources123 named agencies42 statesas of 2026-10-31

Adult weight-based dosing has a median of 0.25 mg/kg across 112 published protocols, with the middle half between 0.2 and 0.3.

142sources

123named agencies

42states

321entries

119named here

Includes 2 agencies outside the US.

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

Adult, weight-basedmg/kg

112sources

97named agencies

39states

156entries

0kept as written

min	p25	median	p75	max
0.1	0.2	0.25	0.3	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 36%
IV 19%
IN 10%
IM/IN 8%
IV/IO/IM 8%
IM 8%
IV/IO/IM/IN 7%
IV/IO/IN 2%
IV/IM 1%
IM/SQ 1%
IV/IM/IN 1%

United States EMS Protocol Census, n=112 protocols from 97 named agencies / 39 states, updated Oct 2026

Pediatric, weight-basedmg/kg

86sources

76named agencies

37states

118entries

0kept as written

min	p25	median	p75	max
0.1	0.15	0.275	0.3	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 41%
IV 13%
IM 11%
IN 10%
IV/IO/IM 8%
IV/IO/IM/IN 8%
IM/IN 7%
IV/IO/IN 2%
IV/IM 1%
IV/IM/IN 1%

United States EMS Protocol Census, n=86 protocols from 76 named agencies / 37 states, updated Oct 2026

Adultmg

31sources

26named agencies

16states

45entries

0kept as written

min	p25	median	p75	max
10	15	18.75	27.5	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 33%
IM 22%
IV 20%
IM/IN 7%
IN 4%
IV/IM 4%
IV/IO/IM 4%
IV/IO/IM/IN 4%

United States EMS Protocol Census, n=31 protocols from 26 named agencies / 16 states, updated Oct 2026

Pediatricmg

2sources

2named agencies

2states

2entries

0kept as written

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

Routes

IM 50%
IV/IO 50%

United States EMS Protocol Census, n=2 protocols from 2 named agencies / 2 states, updated Oct 2026

Named agencies with a page119

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