Nicotine Expert: Vaping is Unlikely to Cause Seizures Vaping360 E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA Behind the sweet taste of vapes, some pods hide hospital drugs like etomidate a powerful anaesthetic never meant for inhalation. When vaped, it can cause seizures, breathing spasms, and sudden collapse. FDA is investigating reports of seizures after vaping STAT