Warning: Etomidate in Vapes Some vapes are laced with etomidate and other dangerous drugs. It can damage your brain, disrupt your heart function, and cause fatal breathing problems. Vape pods suspected to contain anaesthetic agent seized during raid CNA Etomidate, a medical anaesthetic increasingly abused in vape devices, will become a Class C drug in Singapore under the Misuse of Drugs Act from 1 September, carrying stricter penalties for possession, trafficking, Warning: Etomidate in Vapes Some vapes are laced with etomidate and other dangerous drugs. It can damage your brain, disrupt your heart function, and cause fatal breathing problems.