Cocaine is a tropane alkaloid and stimulant drug obtained primarily from the leaves of two coca species, Erythroxylum coca and Erythroxylum novogranatense.It is most commonly used as a recreational drug and euphoriant. It is extracted from coca leaves and further processed into cocaine hydrochloride (powdered cocaine), the drug may be snorted, heated until sublimated and then inhaled, or dissolved and injected into a vein. What ever way you wish.