Cocaine hydrochloride is a central nervous system stimulant derived from the coca plant.
Abused for the intoxicating effects, cocaine interferes with the reabsorption process of dopamine, a chemical messenger in the brain responsible for controlling pleasure, alertness, and movement. Cocaine also has topical anesthetic properties which do not cause intoxication. In Texas, cocaine is the primary illicit drug of abuse reported by adults entering chemical dependency treatment. Many slang terms exist that refer to cocaine. The most common include coke, snow, white lady, soda, nose candy, blow, blizzard, caine, sleet, snow cone, sniff, blanco, cubes, devil drug, ready rock, moonrocks, freebase, crack, hail, pebbles, boulder, hell, chalk, kibbles n bits, and casper.