If you suspect that your child has absorbed or swallowed a nicotine pouch or been sucking chewing on one, contact Poison Control (800) 222 1222 or visit Poison.org. If the child is having What Happens If You Swallow Vape Juice? Do you really know what's in your vape? There's no safe vape. Besides nicotine, vapes contain many other harmful substances. Formaldehyde, arsenic and lead have all been found inside common vapes. NC Poison Control: 'Secondhand vaping,' e liquid dangerous for kids The vape pen cut an artery in his neck and stopped blood flow to his brain, the Tarrant County Medical Examiner says.