More children are being poisoned by e cigarette liquids. Here's what parents need to know What Happens To You If You Swallow a Nicotine Pouch In Error? 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 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 How to Smoke a Vape Properly HV