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❤️‍🩹First Aid

Poisoning Treatments

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Why This Matters

Poisoning emergencies test your ability to think systematically under pressure—and that's exactly what first aid certification exams assess. You're being tested on your understanding of scene safety, assessment priorities, and intervention sequencing. The key principle here is that not all poisons are treated the same way, and well-intentioned actions (like inducing vomiting) can actually cause more harm. Understanding why certain interventions help or hurt will help you answer scenario-based questions confidently.

These treatments connect to broader first aid concepts like the primary survey, airway management, and decontamination protocols. Don't just memorize the steps—know when each action is appropriate and why some common instincts (like making someone throw up) can backfire. Master the reasoning behind each intervention, and you'll handle any poisoning scenario an exam throws at you.


Initial Response and Scene Safety

Before touching the victim, you must ensure you won't become a victim yourself. Toxic fumes, chemical spills, and contaminated surfaces can poison rescuers who rush in without assessing the scene.

Call Emergency Services Immediately

  • Dial emergency services (911) first—poisoning requires professional medical intervention regardless of how mild symptoms appear
  • Provide specific details including the substance involved, quantity, time of exposure, and victim's current symptoms
  • Stay on the line and follow dispatcher instructions—they can connect you to poison control and guide real-time treatment decisions

Remove the Person from the Source of Poison

  • Scene safety comes before patient care—you cannot help if you're also poisoned by fumes or chemical exposure
  • Move the victim to fresh air if inhalation is suspected, or away from spills and contaminated surfaces
  • Never enter confined spaces with unknown atmospheres without proper protective equipment

Identify the Poison If Possible

  • Gather containers, labels, and packaging—product information dramatically improves treatment accuracy
  • Note symptom patterns such as pupil changes, breathing rate, skin color, and mental status—these help identify poison categories
  • Document the timeline including when exposure occurred and when symptoms began

Compare: Scene safety vs. rapid intervention—both are critical, but scene safety always comes first. If an exam scenario describes a victim in a room with visible fumes, the correct first action is ensuring safe access, not rushing to the patient.


Assessment and Life Support

Once the scene is safe, your priority shifts to evaluating the victim's condition using the standard primary survey approach. Poisons can compromise airway, breathing, and circulation—sometimes within minutes.

Check for Vital Signs and Perform CPR If Necessary

  • Assess responsiveness first by tapping shoulders and asking loudly if they're okay—unresponsiveness indicates severe poisoning
  • Check breathing for 10 seconds—if absent or only gasping, begin CPR immediately with 30 compressions to 2 breaths
  • Continue CPR until EMS arrives or the person shows definite signs of life; some poisons cause respiratory arrest that's reversible with sustained support

Keep the Person Calm and Monitor Their Condition

  • Reassurance reduces oxygen demand—anxiety increases heart rate and can speed poison absorption
  • Monitor continuously for changes in consciousness level, breathing quality, and pulse strength
  • Position appropriately: recovery position if unconscious but breathing; supine if CPR may be needed

Compare: Responsive vs. unresponsive poisoning victims—a responsive victim can provide history and may receive activated charcoal, while an unresponsive victim requires airway protection first and cannot safely swallow anything. FRQ tip: Always address airway status before discussing treatment options.


Decontamination Procedures

External poisoning through skin or clothing contact requires systematic removal of the toxic substance. The goal is to stop ongoing absorption while avoiding spreading contamination to unaffected areas or rescuers.

Flush Skin with Water If Exposed to Topical Poison

  • Irrigate with lukewarm water for 15-20 minutes minimum—this dilutes and removes the substance before it penetrates deeper skin layers
  • Remove jewelry and watches from the affected area, as chemicals can pool underneath and cause hidden burns
  • Avoid soap initially—some chemicals react with soap; plain water irrigation is the safe default until the substance is identified

Remove Contaminated Clothing

  • Cut clothing off if necessary rather than pulling over the head, which can spread contamination to the face and airway
  • Wear gloves or use barriers to protect yourself—secondary contamination of rescuers is a real risk
  • Seal contaminated items in plastic bags to prevent ongoing exposure and preserve evidence for medical teams

Compare: Skin decontamination vs. eye decontamination—both require prolonged flushing (15-20 minutes), but eye irrigation should use low-pressure flow directed from the inner corner outward. Exam questions often test whether you know the correct duration.


Medical Interventions and Evidence Preservation

Some treatments require professional guidance, and preserving evidence helps medical teams provide definitive care. Acting without proper authorization—especially inducing vomiting—can cause serious complications.

Do Not Induce Vomiting Unless Instructed by Professionals

  • Caustic substances cause double damage if vomited—they burn going down and coming back up through the esophagus
  • Petroleum products risk aspiration pneumonia if vomiting draws them into the lungs
  • Wait for poison control guidance—they'll assess whether vomiting is safe based on the specific substance and time since ingestion

Administer Activated Charcoal If Advised by Poison Control

  • Activated charcoal binds toxins in the stomach, preventing absorption into the bloodstream—it works by adsorption, not absorption
  • Only give to conscious victims who can protect their own airway; aspiration of charcoal causes severe lung injury
  • Timing matters: most effective within 1 hour of ingestion; less useful for alcohols, metals, or caustics

Collect Samples of the Poison and Vomit for Medical Analysis

  • Preserve original containers with labels intact—ingredient lists guide antidote selection
  • Collect vomit samples in clean containers if the person vomits spontaneously; never induce vomiting just to collect a sample
  • Bring all evidence to the hospital—pill bottles, plant samples, or chemical containers help toxicologists identify treatment protocols

Compare: Activated charcoal vs. induced vomiting—activated charcoal is the preferred decontamination method for most ingested poisons because it doesn't risk re-exposing tissues to corrosives. Induced vomiting is rarely recommended and only for specific substances under professional guidance. If an FRQ asks about gastric decontamination, activated charcoal is almost always the safer answer.


Quick Reference Table

ConceptBest Examples
Scene SafetyRemove from source, ensure safe access, wear gloves
Primary SurveyCheck responsiveness, assess breathing, perform CPR
Skin DecontaminationFlush 15-20 minutes, remove clothing, avoid soap initially
Contraindicated ActionsDo not induce vomiting without guidance
Authorized InterventionsActivated charcoal (if advised), water irrigation
Evidence PreservationCollect containers, labels, vomit samples
Ongoing MonitoringVital signs, consciousness level, breathing quality
CommunicationCall 911 first, stay on line, provide substance details

Self-Check Questions

  1. A victim ingested drain cleaner 10 minutes ago and is conscious. Why would inducing vomiting be harmful, and what intervention might poison control recommend instead?

  2. Compare the priorities for a responsive poisoning victim versus an unresponsive one—what must you assess before giving activated charcoal to either?

  3. Which two decontamination procedures both require 15-20 minutes of water irrigation, and what's the key difference in technique between them?

  4. A coworker collapses after entering a storage room with a chemical smell. What's your first action, and why does this take priority over starting CPR?

  5. Explain why activated charcoal works for many ingested poisons but is ineffective for alcohol poisoning—what's the underlying mechanism that makes the difference?