II. Risk Factors
- High dose Nicotine exposures
- Smokeless Tobacco products (e-cig, Vaping)
 - Nicotine Replacement Products (ingested patches may have prolonged exposure)
 - Liquid Nicotine
 - Green Tobacco Sickness (exposure to leaves in field workers, esp. wet leaves)
 - Concentrated Nicotine Pesticides (banned in most western countries)
 - Nicotinic Plants (Conium Maculatum, N. glauca, N. tabacum, Laburnum anagyroides, Caulophyllum thalictroides)
 
 - Children
- Even low dose ingestion (e.g. 1 ml e-cig liquid refill solution) may cause toxicity symptoms in children
 
 
III. Mechanism
- 
                          Nicotine stimulates Acetylcholine receptors
- See Cholinergic Toxicity
 - Nicotine has both sympathetic and parasympathetic effects
 
 - Autonomic Ganglion blockade
- Occurs with higher dose exposure
 - May result in motor weakness including respiratory arrest
 
 
IV. Findings
- See Cholinergic Toxicity
 - Constitutional
- Diaphoresis
 
 - Cardiovascular
- Early: Hypertension, Tachycardia
 - Later: Hypotension, Bradycardia
 
 - Respiratory
 - Gastrointestinal
 - Neurologic
 
V. Complications
- Rhabdomyolysis
 - Respiratory Arrest
 - Circulatory Collapse
 - Death
 
VI. Labs
- See Unknown Ingestion
 - Bedside Glucose
 - Serum chemistry
 - Urinalysis
 
VII. Management
- See Unknown Ingestion
 - 
                          ABC Management
                          
- May require Mechanical Ventilation (e.g. Respiratory Failure, paralysis, severe Fasciculations)
- Intubate under RSI with Rocuronium (avoid Succinylcholine)
 - Post-intubation sedation with Benzodiazepines
 
 - Intravenous Fluids (20 ml/kg up to 1-2 Liter NS or LR bolus to start)
 - Vasopressors for Hypotension
 
 - May require Mechanical Ventilation (e.g. Respiratory Failure, paralysis, severe Fasciculations)
 - 
                          Decontamination
                          
- 
                              Activated Charcoal
                              
- Indicated in large ingestion within last 1 hour
 
 - Wash affected skin with soap and water
 
 - 
                              Activated Charcoal
                              
 - 
                          Seizures
- See Status Epilepticus
 - Benzodiazepines are primary agents
 - Lorazepam 0.05 to 0.1 mg/kg up to 2 to 4 mg IV
 
 - 
                          Anticholinergics
- Atropine may be used for Bradycardia and decreased secretions
 - Consider Physostigmine
 
 
VIII. References
- Burns in Traub (2019) Toxic Plant Ingestions and Nicotine Poisoning in Children, UpToDate, Accessed 3/23/2021
 - Tomaszewski (2020) Crit Dec Emerg Med 34(7):44