Snorting cocaine damages the mucous membranes within the nostril, making a dry environment with much less blood move. This can significantly injury the soft tissue and cartilage, and heavy use…

The slang terms for these routes are, respectively, "chewing," "snorting," "mainlining" or "injecting," and "smoking" (including freebase and crack cocaine). Snorting is the method of inhaling cocaine powder through the…