Which statement about activated charcoal use is most accurate?

• A. It is effective for all poisonings regardless of airway status
• B. It should be given within a suitable time window regardless of airway protection
• C. It is not effective for any toxins
• D. It should be given only after the airway is protected

Answer: (D)

The key idea is safety: airway protection is essential before giving activated charcoal. Activated charcoal binds many oral toxins in the GI tract, reducing absorption, but it can be dangerous if the patient’s airway isn’t protected because charcoal can be aspirated into the lungs during vomiting or if protection reflexes are absent. Therefore, administration is reserved for patients with a safe airway or after securing one (via techniques like suction, obstruction management, or airway protection). This makes the statement that it should be given only after the airway is protected the best choice. Other options are not correct because charcoal isn’t effective for all poisonings regardless of airway status, there is a time window but airway protection cannot be ignored, and it isn’t accurate to say it’s not effective for any toxins.