Pediatric medication table
Pediatric adjuncts & sedation
Atropine · Fentanyl · Midazolam
Dose ranges
Totals use the formulas above. Verify local dose caps and formulations.
3–10 kg · 1 kg increments
| Measured weight | Atropinemg total | Fentanylmcg total | Midazolammg total |
|---|---|---|---|
| 3 kg | 0.06 mg | 3–6 mcg | 0.15–0.3 mg |
| 4 kg | 0.08 mg | 4–8 mcg | 0.2–0.4 mg |
| 5 kg | 0.1 mg | 5–10 mcg | 0.25–0.5 mg |
| 6 kg | 0.12 mg | 6–12 mcg | 0.3–0.6 mg |
| 7 kg | 0.14 mg | 7–14 mcg | 0.35–0.7 mg |
| 8 kg | 0.16 mg | 8–16 mcg | 0.4–0.8 mg |
| 9 kg | 0.18 mg | 9–18 mcg | 0.45–0.9 mg |
| 10 kg | 0.2 mg | 10–20 mcg | 0.5–1 mg |
11–20 kg · 1 kg increments
| Measured weight | Atropinemg total | Fentanylmcg total | Midazolammg total |
|---|---|---|---|
| 11 kg | 0.22 mg | 11–22 mcg | 0.55–1.1 mg |
| 12 kg | 0.24 mg | 12–24 mcg | 0.6–1.2 mg |
| 13 kg | 0.26 mg | 13–26 mcg | 0.65–1.3 mg |
| 14 kg | 0.28 mg | 14–28 mcg | 0.7–1.4 mg |
| 15 kg | 0.3 mg | 15–30 mcg | 0.75–1.5 mg |
| 16 kg | 0.32 mg | 16–32 mcg | 0.8–1.6 mg |
| 17 kg | 0.34 mg | 17–34 mcg | 0.85–1.7 mg |
| 18 kg | 0.36 mg | 18–36 mcg | 0.9–1.8 mg |
| 19 kg | 0.38 mg | 19–38 mcg | 0.95–1.9 mg |
| 20 kg | 0.4 mg | 20–40 mcg | 1–2 mg |
22–40 kg · 2 kg increments
| Measured weight | Atropinemg total | Fentanylmcg total | Midazolammg total |
|---|---|---|---|
| 22 kg | 0.44 mg | 22–44 mcg | 1.1–2.2 mg |
| 24 kg | 0.48 mg | 24–48 mcg | 1.2–2.4 mg |
| 26 kg | 0.52 mg | 26–52 mcg | 1.3–2.6 mg |
| 28 kg | 0.56 mg | 28–56 mcg | 1.4–2.8 mg |
| 30 kg | 0.6 mg | 30–60 mcg | 1.5–3 mg |
| 32 kg | 0.64 mg | 32–64 mcg | 1.6–3.2 mg |
| 34 kg | 0.68 mg | 34–68 mcg | 1.7–3.4 mg |
| 36 kg | 0.72 mg | 36–72 mcg | 1.8–3.6 mg |
| 38 kg | 0.76 mg | 38–76 mcg | 1.9–3.8 mg |
| 40 kg | 0.8 mg | 40–80 mcg | 2–4 mg |
45–60 kg · 5 kg increments
| Measured weight | Atropinemg total | Fentanylmcg total | Midazolammg total |
|---|---|---|---|
| 45 kg | 0.9 mg | 45–90 mcg | 2.25–4.5 mg |
| 50 kg | 1 mg | 50–100 mcg | 2.5–5 mg |
| 55 kg | 1.1 mg | 55–110 mcg | 2.75–5.5 mg |
| 60 kg | 1.2 mg | 60–120 mcg | 3–6 mg |
Cautions, guidance & disclaimers
Major cautions
- Atropine
- May be considered in selected infants and children; not routine for every emergency intubation.
- Fentanyl
- Analgesia reference. Administer slowly and verify local pediatric maximum and concentration.
- Midazolam
- Sedation reference, not an analgesic. U.S. labeling uses age-specific initial doses and provides limited guidance for infants younger than 6 months; verify age, indication, cumulative sedatives, and the local maximum.
Sources, limitations, and review record
Source links checked 10 September 2026. Medication content review date: 23 July 2026.
Verify the route, dosing weight, dose range, maximum, contraindications, age restrictions, organ function, local formulary, and product in hand.
Verify the dose, route, concentration, maximum, and patient-specific considerations against current institutional protocols and product labeling.
About this resource
Educational and clinical reference material. Verify against current institutional protocols, product labeling, and clinical judgment.
