Users have died from overdose. Name IT rock, wash, stone Know IT Crack is a smokeable form of cocaine. It is a Class A drug. The effects of smoking crack are similar to snorting cocaine but much more intense. The high lasts as little as ten minutes.
Users often chase the high by repeating the dose.
Heavy users may take heroin to dull the craving caused by the use of crack. The Risks Heavy use can lead to potentially fatal heart problems. Heavy users risk convulsions. Crack is highly addictive. Because the high can be so intense, crack use is often difficult to control.