Nicotine e liquid used with vaping devices is highly poisonous if swallowed. Exposure can result in seizures, coma, and death. Babies and young children are most at risk because: 1 They can be Ingesting or Inhaling Nitrite "Poppers" Can Cause Severe Injury or Death FDA Nicotine Poisoning: What It Is, Symptoms, Causes & Treatment Swallowed Foreign Objects in Kids: What to Do Children's Hospital Colorado