Inhalants can be defined as commercially produced chemicals that are inhaled into the body to produce psychoactive (mind-altering) and often adverse effects. Inhalants are aerosols, solvents, and cleaners. Examples include cleaning fluids, hair sprays, paints, cooking sprays, nail polish, and anesthetics such as halothane and nitrous oxide, which is often referred to as laughing gas. Also abused are amyl nitrite and butyl nitrite. Amyl nitrite is a clear, yellow liquid that is sold in a cloth-covered, sealed bulb. When the bulb is broken, it makes a snapping sound; thus, amyl nitrite is nicknamed "snappers" or "poppers