Simethicone (simeticone) Pediatric Dose Calculator
Age-based simethicone dosing for children, with maximum doses, age limits and sources. Enter age and weight for the dose in mg and drops mL.
Pediatric dosing
Wind / gas discomfort (supportive)
Simethicone (simeticone) dose chart by age and weight
Wind / gas discomfort (supportive). Weights are WHO/IAP reference medians for age — always dose on the measured weight.
| Age | Weight | Dose (mg) | Drops 40 mg/mL | Drops 66.7 mg/mL (20 mg per 0.3 mL) | Frequency |
|---|---|---|---|---|---|
| 15 days | 3.8 kg | 20 mg | 0.5 mL | 0.3 mL | After feeds, up to three times daily |
| 1 month | 4.3 kg | 20 mg | 0.5 mL | 0.3 mL | After feeds, up to three times daily |
| 3 months | 6.1 kg | 20 mg | 0.5 mL | 0.3 mL | After feeds, up to three times daily |
| 6 months | 7.6 kg | 20 mg | 0.5 mL | 0.3 mL | After feeds, up to three times daily |
| 9 months | 8.6 kg | 20 mg | 0.5 mL | 0.3 mL | After feeds, up to three times daily |
| 1 year | 9.3 kg | 20 mg | 0.5 mL | 0.3 mL | After feeds, up to three times daily |
| 18 months | 10.6 kg | 20 mg | 0.5 mL | 0.3 mL | After feeds, up to three times daily |
| 2 years | 11.8 kg | 40 mg | 1 mL | 0.6 mL | After meals, up to three times daily |
| 3 years | 14.1 kg | 40 mg | 1 mL | 0.6 mL | After meals, up to three times daily |
| 4 years | 16.2 kg | 40 mg | 1 mL | 0.6 mL | After meals, up to three times daily |
| 5 years | 17.5 kg | 40 mg | 1 mL | 0.6 mL | After meals, up to three times daily |
| 6 years | 19 kg | 40 mg | 1 mL | 0.6 mL | After meals, up to three times daily |
| 8 years | 24.4 kg | 40 mg | 1 mL | 0.6 mL | After meals, up to three times daily |
| 10 years | 31.1 kg | 40 mg | 1 mL | 0.6 mL | After meals, up to three times daily |
| 12 years | 39.4 kg | 40 mg | 1 mL | 0.6 mL | After meals, up to three times daily |
Strengths in the calculator
- Drops 40 mg/mL (Oral)
- Drops 66.7 mg/mL (20 mg per 0.3 mL) (Oral)
Different strength on your bottle? Use “Different strength on the bottle?” under the result.
Safety
Pregnancy and breastfeeding
Legacy FDA category A. Not absorbed; considered safe.
Not absorbed; compatible with breastfeeding.
Clinical notes
Evidence for infant colic is weak; reassurance and feeding advice come first. Safer than dicyclomine in young infants.
Adult and adolescent (≥40 kg) dose
40–125 mg — After meals and at bedtime (max 125 mg per dose, 500 mg per day).
Other names and brands
Also known as Simeticone, Activated dimeticone.
- USA: Mylicon
- UK: Infacol
Brand examples only — products and strengths vary by country. Always check the label.
Frequently asked questions
What is the simethicone dose for children?
Wind / gas discomfort (supportive): <2 years: 20 mg per dose · after feeds, up to three times daily · max 240 mg/day; ≥2 years: 40 mg per dose · after meals, up to three times daily · max 480 mg/day. Usual duration: As needed. Always use the child's measured weight and check the strength on the bottle.
How many mL of drops 40 mg/mL for an 11.8 kg child?
For wind / gas discomfort (supportive), an 11.8 kg child (about 2 years) needs 40 mg per dose — 1 mL of Drops 40 mg/mL, after meals, up to three times daily. Recalculate with the child's actual weight.
From what age can simethicone be given?
Age range in PediaRx: Birth – adult. Each indication can have its own age and weight limits, shown with its regimen.
Is simethicone safe in pregnancy?
Legacy FDA category A. Not absorbed; considered safe.
Sources and editorial process
- Simethicone infant drops — OTC labelling — DailyMed (U.S. National Library of Medicine)
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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