No, Singapore's vape ban didn't cause the etomidate crisis People hospitalised as anaesthetic drug Etomidate found in vape pods RNZ News Vaping can lead to harmful addiction. Dangerous substances such as etomidate can be added into e vaporisers. The Government will be classifying etomidate as a Class C controlled drug under the Misuse Etomidate laced Vaping National Addictions Management Service (NAMS) Rapid Screening of Etomidate and Its Analogs in Seized e Liquids Using Thermal Desorption Electrospray Ionization Coupled with Triple Quadrupole Mass Spectrometry