Illicit anaesthetic laced vapes linked to drug harm nationwide Under the newly passed Tobacco and Vaporisers Control Act, individuals found using etomidate vapes face a fine of up to S$10,000. 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. Frontiers Etomidate induced hypokalemia in electronic cigarette users: two case reports and literature review