Inhalants are rapidly absorbed through the lung tissue and go into the bloodstream where they are rapidly distributed to the brain and other major organs throughout the body.
When cocaine users stop using cocaine, or when they end a cocaine binge, they almost immediately feel the "crash" which includes depression, fatigue, lack of pleasure, anxiety, irritability, sleepiness and a strong craving for more cocaine.
Methamphetamine addicted individuals are at risk of high blood pressure, irregular heartbeat, chest pain, shortness of breath, nausea, vomiting, diarrhea, and elevated body temperature which puts them at risk of serious health consequences and even death.
Slang terms for inhalants which are abused are whippets, poppers and snappers.