Activated Charcoal

Question 1

Class

Answer 1

Adsorbent, antidote

Question 2

Mechanism of Action

Answer 2

Fine black powered with massive microscopic surface area that binds and adsorbs ingested toxins. Also has the ability to extract certain meds and chemicals as they are circulated near the digestive tract.

Question 3

Onset and duration

Answer 3

Onset: immediate
Duration: continuous while in gastrointestinal tract; reaches equilibrium once saturated.

Question 4

Indications

Answer 4

Many oral poisonings and medication overdoses

Question 5

Contraindications

Answer 5

Corrosives, caustics, petroleum distillates, unprotected airway, intestinal obstruction

Question 6

Adverse reactions

Answer 6

May indirectly induce nausea and vomiting

May cause constipation or mild, transient diarrhea

Question 7

Drug interactions

Answer 7

Syrup of ipecac ( adsorbed by activated charcoal and will result in vomiting of the charcoal)

Question 8

How supplied

Answer 8

25g (black powder); 25g/125 ml bottle; 50g (black powder); 50g/240ml bottleother sizes include 15g and 30 g bottles and squeeze tubes

Question 9

Dosage and administration

Answer 9

Adult: 30-100g or 1g/kg
Pediatric(1 - 12): 15-30g or 1g/kg
Infant: 1g/kg

Question 10

Special considerations

Answer 10

Pregnancy safety category C
May be known as "AC" 
Relatively insoluble in water
May blacken feces
Does not adsorb all drugs And toxins (phenobarbital, aspirin, cyanide, lithium, iron, lead, and arsenic.)