[**What is nicotine poisoning?**](https://my.clevelandclinic.org/health/diseases/21582-nicotine-poisoning)
Nicotine poisoning refers to the toxic effects of consuming nicotine. Nicotine poisoning is the result of having too much nicotine in your body. Until recently, nicotine poisoning was rare. Most cases resulted from the use of nicotine as an insecticide, accidental ingestion of tobacco or ingestion of nicotine-containing plants.
Today, nicotine poisoning has become a growing concern because of new nicotine products on the market, particularly electronic cigarettes (e-cigarettes) and pure liquid nicotine. The concentration of nicotine in liquid products is higher than most other tobacco products.
Nicotine poisoning can occur in two stages: early phase and late phase.
Early phase symptoms after ingestion include:
Nausea and vomiting. Vomiting occurs in more than 50% of people with symptoms.
Increased salivation.
Abdominal pain.
Pale skin color.
Sweating.
Increased blood pressure.
Increased heart rate.
Rapid, heavy breathing (hyperpnea).
Loss of full control of body movements (ataxia), loss of balance, difficulty walking.
Tremors.
Headache, dizziness.
Muscle twitching.
Seizures.
Late phase symptoms include:
Diarrhea.
Low blood pressure (hypotension) and slow heart rate (bradycardia).
Abnormal heart rhythms.
Shock.
Coma.
Muscle weakness/paralysis.
Shallow breathing, difficulty breathing, respiratory failure.
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