Ambroxol Pediatric Dose Calculator

Age-based ambroxol dosing for children, with maximum doses, age limits and sources. Enter age and weight for the dose in mg and syrup mL or tablets.

Category: MucolyticAges: ≥2 years – adultUpdated: 2026-09-27For: clinicians

Pediatric dosing

Productive cough (supportive)

2 years to <6 years: 7.5 mg per dose · three times daily
Duration: 5–7 days
6 years to <12 years: 15 mg per dose · two to three times daily
Duration: 5–7 days
≥12 years: 30 mg per dose · three times daily for 2–3 days, then twice daily
Duration: 5–7 days

Ambroxol dose chart by age and weight

Productive cough (supportive). Weights are WHO/IAP reference medians for age — always dose on the measured weight.

AgeWeightDose (mg)Syrup 15 mg/5 mLSyrup 30 mg/5 mL (DS)Frequency
2 years11.8 kg7.5 mg2.5 mL1.3 mLThree times daily
3 years14.1 kg7.5 mg2.5 mL1.3 mLThree times daily
4 years16.2 kg7.5 mg2.5 mL1.3 mLThree times daily
5 years17.5 kg7.5 mg2.5 mL1.3 mLThree times daily
6 years19 kg15 mg5 mL2.5 mLTwo to three times daily
8 years24.4 kg15 mg5 mL2.5 mLTwo to three times daily
10 years31.1 kg15 mg5 mL2.5 mLTwo to three times daily
12 years39.4 kg30 mg10 mL5 mLThree times daily for 2–3 days, then twice daily
Computed with the PediaRx dose engine from the regimen above; caps and age limits applied.

Strengths in the calculator

  • Syrup 15 mg/5 mL (Oral)
  • Syrup 30 mg/5 mL (DS) (Oral)
  • Tablet 30 mg (Oral)

Different strength on your bottle? Use “Different strength on the bottle?” under the result.

Safety

Contraindications and cautions

  • Previous hypersensitivity; rare anaphylaxis and severe cutaneous reactions reported (EMA 2015).

Pregnancy and breastfeeding

Legacy FDA category C. Avoid in the first trimester.

Passes into milk; not recommended while breastfeeding.

Clinical notes

Evidence of benefit in acute cough is limited — hydration and time matter most. Avoid cough suppressants in productive cough and in young children.

Adult and adolescent (≥40 kg) dose

30 mg — Three times daily for 2–3 days, then twice daily (max 60 mg per dose).

Other names and brands

Also known as Ambroxol hydrochloride.

  • Europe: Mucosolvan

Brand examples only — products and strengths vary by country. Always check the label.

Frequently asked questions

What is the ambroxol dose for children?

Productive cough (supportive): 2 years to <6 years: 7.5 mg per dose · three times daily; 6 years to <12 years: 15 mg per dose · two to three times daily; ≥12 years: 30 mg per dose · three times daily for 2–3 days, then twice daily. Usual duration: 5–7 days. Always use the child's measured weight and check the strength on the bottle.

How many mL of syrup 15 mg/5 mL for an 11.8 kg child?

For productive cough (supportive), an 11.8 kg child (about 2 years) needs 7.5 mg per dose — 2.5 mL of Syrup 15 mg/5 mL, three times daily. Recalculate with the child's actual weight.

From what age can ambroxol be given?

Age range in PediaRx: ≥2 years – adult. The calculator does not calculate a dose below 2 years. Each indication can have its own age and weight limits, shown with its regimen.

Is ambroxol safe in pregnancy?

Legacy FDA category C. Avoid in the first trimester.

Sources and editorial process

  1. Ambroxol hydrochloride (Mucosolvan) — product information — Manufacturer product information
  2. PRAC review of ambroxol and bromhexine (2015) — European Medicines Agency

Dosing data last updated 2026-09-27. PediaRx is built and maintained by (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.

Clinical disclaimer: reference tool for qualified health professionals. Verify every dose against current guidance and the product label before prescribing.

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