Phenytoin for Seizure
Adult weight-based dosing has a median of 15 mg/kg across 8 published protocols, with the middle half between 15 and 15.
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.
Adult, weight-basedmg/kg
| min | p25 | median | p75 | max |
|---|---|---|---|---|
| 10 | 15 | 15 | 15 | 20 |
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 50%
- IV/IO 38%
- IV/PO 13%
United States EMS Protocol Census, n=8 protocols from 4 named agencies / 7 states, updated Oct 2026
Pediatric, weight-basedmg/kg
| min | p25 | median | p75 | max |
|---|---|---|---|---|
| 10 | 13.75 | 15 | 15 | 20 |
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 75%
- IV/IO 13%
- IV/PO 13%
United States EMS Protocol Census, n=8 protocols from 4 named agencies / 6 states, updated Oct 2026
Pediatricmg
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 1 named agencies / 1 states, updated Oct 2026
Named agencies with a page5
Agencies whose protocols are a public record are named here. Their own doses are on their own pages; this list carries no values.