Part of the ICU Emergencies Hub — browse every related guide in one place.
Hydrocarbons — gasoline, kerosene, lamp oil, lighter fluid, mineral spirits, furniture polish, and many solvents — are a classic pediatric ingestion and a route of abuse ("huffing") in adolescents and adults. The counterintuitive lesson that defines nursing care is this: the danger from most ingested hydrocarbons is not what they do in the stomach, but what happens if they get into the lungs. That single fact reverses the usual poisoning reflexes, because the interventions that help other ingestions — making the patient vomit, passing a gastric tube — are exactly what can drive a hydrocarbon into the airway and cause a chemical pneumonitis.
The hydrocarbons most likely to injure the lung are thin, slippery, and volatile — low viscosity and low surface tension — so a small amount aspirated on swallowing, coughing, or vomiting spreads across the delicate alveolar surface and dissolves the surfactant that keeps air sacs open. The result is a chemical aspiration pneumonitis: coughing and choking at the time of ingestion, then over hours, tachypnea, hypoxia, crackles, and infiltrates that can progress to ARDS. Systemically absorbed from the gut, most common household hydrocarbons cause relatively little harm — which is why the mantra is "the lung, not the gut."
Some hydrocarbons matter because of what is dissolved in or added to them. A useful memory aid is CHAMP: Camphor (seizures), Halogenated hydrocarbons (carbon tetrachloride, methylene chloride — liver injury, CO), Aromatics (benzene, toluene — marrow, neuro), Metals (organometallic pesticides), and Pesticides (e.g., organophosphates in a hydrocarbon solvent). These carry systemic toxicity, may warrant a different (toxicology-directed) decontamination approach, and change the monitoring plan. When a pesticide is dissolved in a hydrocarbon, the pesticide often drives the emergency — identify the actual product.
Volatile hydrocarbons, especially when inhaled/abused, sensitize the heart to the patient's own catecholamines. A frightened or startled "huffer" who suddenly exerts or is startled can drop into ventricular fibrillation — the phenomenon called sudden sniffing death.
Most children who swallow a hydrocarbon and never cough do well and are observed for several hours. The tell is early respiratory symptoms: coughing, choking, or gagging at the time of ingestion suggests aspiration occurred, and these patients need a longer watch, a chest film, and monitoring, because the pneumonitis often declares itself over 6 or more hours rather than immediately. A patient who is completely asymptomatic after an adequate observation period with a clear exam is usually safe to discharge, while any respiratory symptom, hypoxia, or infiltrate earns admission.
Airway and oxygenation are the whole game: continuous SpO2, respiratory rate and work of breathing, and escalating support from oxygen to high-flow to intubation and lung-protective ventilation if ARDS develops. Continuous cardiac monitoring for the sensitized myocardium, with an emphasis on keeping the patient calm and undisturbed. Antibiotics are not routine (this is a chemical, not bacterial, pneumonitis) and steroids are not standard; both are reserved for specific situations. For dermal or clothing contamination, remove soaked clothing and wash the skin to stop ongoing absorption and vapor, protecting yourself with appropriate PPE. And always identify the exact product from the container or history, because "hydrocarbon" spans everything from harmless mineral oil to a pesticide-laden solvent.
For related toxic exposures and the injuries hydrocarbons share, see caustic ingestion, organophosphate poisoning, lead poisoning, and mercury poisoning. For the lung-injury thread, see lung-protective ventilation in ARDS.
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