<unk> s are drugs that are inhaled as a gas, vapor, or
aerosol.  Some<unk> s are used for medical purposes, such as
anesthesia and the delivery of medication to the lungs (for example
by an inhaler or nebulizer to administer asthma medication.)
Other<unk> s are used recreationally, such as
organic solvents and propellant gases.  Some<unk> s, such as ether and alkyl nitrites,
have been widely used both medically and recreationally.
Effects of recreational solvent<unk> ion can range from an alcohol-like
intoxication and euphoria to hallucinations. Toxicity and death may also result. Nonmedical<unk>  use is restricted and even criminalized in some jurisdictions.
Inhalant
Cathartic
Phytochemical
Food additive
Inhaler
Allergen
Heroic
Colloid