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Open Dose Calculator →Verapamil
Verapamil
💊 Used for: Control of ventricular rate in PSVT, atrial fibrillation and flutter
Formulation
Tablet
40mg, 80mg tablets
Dose Range
0.1–0.3 mg/kg
Max Daily
8 mg/kg
Frequency
Every 8 hours oral, IV over 2 minutes
Max Single
10 mg
Route: Oral/IV
Dose by Child Weight
Based on formulation: 40mg, 80mg tablets
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 1–2 mg | 0.0–0.0 ml | ≤ 40 mg |
| 6 kg | 1–2 mg | 0.0–0.0 ml | ≤ 48 mg |
| 7 kg | 1–2 mg | 0.0–0.1 ml | ≤ 56 mg |
| 8 kg | 1–2 mg | 0.0–0.1 ml | ≤ 64 mg |
| 9 kg | 1–3 mg | 0.0–0.1 ml | ≤ 72 mg |
| 10 kg | 1–3 mg | 0.0–0.1 ml | ≤ 80 mg |
| 12 kg | 1–4 mg | 0.0–0.1 ml | ≤ 96 mg |
| 15 kg | 2–5 mg | 0.0–0.1 ml | ≤ 120 mg |
| 18 kg | 2–5 mg | 0.0–0.1 ml | ≤ 144 mg |
| 20 kg | 2–6 mg | 0.1–0.1 ml | ≤ 160 mg |
| 25 kg | 3–8 mg | 0.1–0.2 ml | ≤ 200 mg |
| 30 kg | 3–9 mg | 0.1–0.2 ml | ≤ 240 mg |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Contraindicated in cardiogenic shock and heart block
- •Avoid IV in infants with hypotension
Possible Side Effects
- •Hypotension
- •Bradycardia
- •Constipation
- •Peripheral edema
- •Heart block
- •CHF exacerbation
💡 Use the DoseCare Calculator for interactive dose calculations tailored to your child's exact weight and formulation.
DoseCare is a decision support tool only. Always verify doses with a qualified healthcare provider.