ACT Not only is vape smoke full of harmful chemicals, if vape liquids with nicotine in them are swallowed, it can cause death. If someone you know has swallowed vape liquid 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 The Dangers of Nicotine in Vaping Liquid How to Properly Store E Liquids and Prevent Accidental Exposure of E Liquids to Children FDA