Insufflation
From The Art and Popular Culture Encyclopedia
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Insufflation (Latin insufflatio "blowing on or into") is the practice of inhaling substances into a body cavity. Insufflation has limited medical use, but is a common route of administration with many respiratory drugs used to treat conditions in the lungs (asthma or emphysema) and paranasal sinus (allergy) .
The technique is common for many recreational drugs and is also used for some entheogens. Nasal insufflation is commonly used for many psychoactive drugs because it causes a much faster onset than orally and bioavailability is usually, but not always, higher than orally. This bioavailability occurs due to the quick absorption of chemical molecules into the bloodstream through the soft tissue in the mucous membrane of the sinus cavity.
