Inhalants are a group of chemicals including solvents, aerosols, adhesives, gases, cleaning agents, food products, anesthetics and volatile nitrites. These legal substances, most of which are found in everyday household products, are not normally thought of as drugs, but have drug-like effects on the user. The most familiar substances are paint and glue. But include nearly 600 common household, workshop and office products that are dangerous when inhaled. Those products include keyboard aerosol cleaners, felt-tip markers, spray paint, air freshener, butane and aerosol cooking sprays.