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Activated charcoal

Adsorbent (primary decontamination) · freely accessible

For healthcare professionals. This information does not replace clinical judgement in the individual case; the current summary of product characteristics and the guidelines cited are authoritative.

Medically reviewed: Dr. med. univ. Daniel Pehböck, DESA, 01.11.2026

medicinal charcoal · carbo medicinalis

Adsorbent (primary decontamination)

Oral poisoning with a substance adsorbed by charcoal – adults and adolescents from 12 y

  • Not routinely – consider for a potentially toxic amount of an adsorbable substance, ideally within 1 h of ingestion Indication[104]
  • 50–100 g p.o. or via gastric tube (as a suspension)[103]
    as early as possible

Give only on medical prescription or after consultation with the poisons information centre. With impaired consciousness only if the airway is secured (aspiration).

Oral poisoning with a substance adsorbed by charcoal – children

  • 1 g/kg p.o. or via gastric tube[103]
    max. 50 g
  • not a stand-alone age-based dose, 1 g/kg (max. 50 g) remains decisive – < 12 y approx. ½ bottle (approx. 25 g) · < 4 y approx. ¼ bottle (approx. 12.5 g) Guide for a 50 g bottle (product-dependent)[103]

The weight-based dose of 1 g/kg (max. 50 g) is decisive. Age-based figures are product-dependent guides (bottle size), not a fixed age-based dose – agree indication and amount with the poisons information centre. With impaired consciousness only if the airway is secured (aspiration).

Activated charcoal – Oral poisoning with a substance adsorbed by charcoal – children
BW1 g/kg
p.o. or via gastric tube
3 kg3 g
5 kg5 g
10 kg10 g
15 kg15 g
20 kg20 g
25 kg25 g
30 kg30 g
40 kg40 g

Contraindications

  • Unprotected airway with impaired consciousness or absent protective reflexes
  • Acids and alkalis (no binding, impedes endoscopy)
  • Hydrocarbons/petroleum products (risk of aspiration, insufficient binding)
  • Ileus, bowel obstruction or perforation

Notes

  • Insufficient binding of, among others, iron, lithium, thallium, cyanide, methanol, ethanol, ethylene glycol (SmPC).
  • Severe poisoning – repeated doses if needed (e.g. 20 g every 4–6 h; SmPC) after consultation with the poisons information centre.
  • Also binds orally administered antidotes and drugs – separate the times of administration.
  • Vomiting common; black discolouration of stools; constipation.
[104] Chyka PA, Seger D, Krenzelok EP, Vale JA (AACT/EAPCCT). Position paper: Single-dose activated charcoal. Clin Toxicol (Phila) 2005;43:61–87.
[103] Summary of product characteristics of the active substance (product reference in the app).
Reviewed: Dr. med. univ. Daniel Pehböck, DESA, 2026-11-01 (German original)

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