Drotaverine Pediatric Dose Calculator
Weight-based drotaverine dosing for children, with maximum doses, age limits and sources. Enter age and weight for the dose in mg and syrup mL or tablets.
Pediatric dosing
Abdominal colic / spasm
Drotaverine dose chart by age and weight
Abdominal colic / spasm. Weights are WHO/IAP reference medians for age — always dose on the measured weight.
| Age | Weight | Dose (mg) | Syrup 10 mg/5 mL (where available) | Frequency |
|---|---|---|---|---|
| 1 year | 9.3 kg | 4.65 mg | 2.3 mL | Up to three times daily |
| 18 months | 10.6 kg | 5.3 mg | 2.7 mL | Up to three times daily |
| 2 years | 11.8 kg | 5.9 mg | 3 mL | Up to three times daily |
| 3 years | 14.1 kg | 7.05 mg | 3.5 mL | Up to three times daily |
| 4 years | 16.2 kg | 8.1 mg | 4.1 mL | Up to three times daily |
| 5 years | 17.5 kg | 8.75 mg | 4.4 mL | Up to three times daily |
| 6 years | 19 kg | 20 mg | 10 mL | Up to three times daily |
| 8 years | 24.4 kg | 20 mg | 10 mL | Up to three times daily |
| 10 years | 31.1 kg | 20 mg | 10 mL | Up to three times daily |
| 12 years | 39.4 kg | 40 mg | 20 mL | Up to three times daily |
Strengths in the calculator
- Syrup 10 mg/5 mL (where available) (Oral)
- Tablet 40 mg (Oral)
- Tablet 80 mg (Oral)
Different strength on your bottle? Use “Different strength on the bottle?” under the result.
Safety
Contraindications and cautions
- Severe hepatic, renal or cardiac failure; second- or third-degree AV block.
Pregnancy and breastfeeding
Legacy FDA category C. Limited data — avoid in pregnancy unless clearly needed.
No data — avoid while breastfeeding.
Clinical notes
Widely used in India and Eastern Europe; not available in the UK or US. Paediatric evidence is limited — keep courses short and exclude surgical causes of pain.
Adult and adolescent (≥40 kg) dose
40–80 mg — Up to three times daily (max 80 mg per dose, 240 mg per day).
Other names and brands
Also known as Drotaverine hydrochloride.
- India: Drotin
- Europe: No-Spa
Brand examples only — products and strengths vary by country. Always check the label.
Frequently asked questions
What is the drotaverine dose for children?
Abdominal colic / spasm: 1 year to <6 years: 0.5 mg/kg/dose · up to three times daily · max 20 mg/dose; 6 years to <12 years: 20 mg per dose · up to three times daily; ≥12 years: 40 mg per dose · up to three times daily. Usual duration: 3–5 days. Always use the child's measured weight and check the strength on the bottle.
How many mL of syrup 10 mg/5 mL (where available) for an 11.8 kg child?
For abdominal colic / spasm, an 11.8 kg child (about 2 years) needs 5.9 mg per dose — 3 mL of Syrup 10 mg/5 mL (where available), up to three times daily. Recalculate with the child's actual weight.
From what age can drotaverine be given?
Age range in PediaRx: ≥1 year – adult. The calculator does not calculate a dose below 1 year. Each indication can have its own age and weight limits, shown with its regimen.
Is drotaverine safe in pregnancy?
Legacy FDA category C. Limited data — avoid in pregnancy unless clearly needed.
Sources and editorial process
- Drotaverine hydrochloride (No-Spa) — product information — Manufacturer product information
Dosing data last updated 2026-09-27. PediaRx is built and maintained by Dr. Shounak Pal, MBBS (Medical Officer, Government of West Bengal, India — founder and developer of PediaRx). Every regimen is encoded with explicit units, maximum doses and age/weight limits and is checked by automated tests before publication. Report an error: hello@pediarx.com.
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Clinical disclaimer: reference tool for qualified health professionals. Verify every dose against current guidance and the product label before prescribing.
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