Frontiers Etomidate induced hypokalemia in electronic cigarette users: two case reports and literature review HK classifies main ingredient of space oil as dangerous drug Community Rallies Against Vaping & Etomidate Laced Vapes 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. Read "Public Health Consequences of E Cigarettes" at NAP.edu