Letter from the Director

What Are Inhalants?
Inhalants are volatile substances that produce chemical vapors that can be inhaled to induce a psychoactive, or mind-altering, effect. Although other abused substances can be inhaled, the term "inhalants" is used to describe a variety of substances whose main common characteristic is that they are rarely, if ever, taken by any route other than inhalation. This definition encompasses a broad range of chemicals that may have different pharmacological effects and are found in hundreds of different products. As a result, precise categorization of inhalants is difficult. One classification system lists four general categories of inhalants—volatile solvents, aerosols, gases, and nitrites—based on the forms in which they are often found in household, industrial, and medical products.
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Although many parents are appropriately concerned about illicit drugs such as marijuana, cocaine, and LSD, they often ignore the dangers posed to their children from common household products that contain volatile solvents or aerosols. Products such as glues, nail polish remover, lighter fluid, spray paints, deodorant and hair sprays, whipped cream canisters, and cleaning fluids are widely available yet far from innocuous. Many young people inhale the vapors from these sources in search of quick intoxication without being aware that using inhalants, even once, can have serious health consequences.

National surveys indicate that nearly 22.3 million Americans have used inhalants at least once in their lives. NIDA's Monitoring the Future study reveals that 15.7 percent of eighthgraders have ever used inhalants. Parents and children need to know that even sporadic or single episodes of inhalant abuse can be extremely dangerous. Inhalants can disrupt heart rhythms and cause death from cardiac arrest, or lower oxygen levels enough to cause suffocation. Regular abuse of these substances can result in serious harm to vital organs, including the brain, heart, kidneys, and liver.

Through scientific research, we have learned much about the nature and extent of inhalant abuse, its pharmacology, and its consequences. This research has brought the picture of inhalant abuse in the Nation into focus and pointed to the dangers and the warning signs for parents, educators, and clinicians. We hope this compilation of the latest scientific information will help alert readers to inhalant abuse and its harmful effects and aid efforts to deal with this problem effectively.

Nora D. Volkow, M.D.
Director
National Institute on Drug Abuse

Printed 2009

This report is also available for download, Inhalants, [PDF format, 628 KB]

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