Crack (a smokeable form of cocaine): rock wash,stone.
Crack is cocaine that has been processed from cocaine hydrochloride to a free base for smoking.

Cocaine can cause heart attacks even in young abusers.
Crack and cocaine are stimulants that give an immediate high that lasts a few minutes.

Mixing alcohol and cocaine increases
the risk of sudden death..

• Cocaine: white powder that is snorted up the nose, sometimes dissolved and injected
• Crack: small raisin-sized crystals that are smoked.
• Powerfully addictive drugs snorted, sniffed, injected, or smoked.

Adults age 26 and older have the highest rate of current cocaine use, compared to other age groups. Source: National Survey on Drug Use and Health - SAMHSA web site..

Cocaine usually makes the user feel euphoric and energetic.

• sense of well-being, alertness, confidence;

• effects last roughly 30minutes;

• users are often left craving more;

• crack has the same effect as cocaine, but a more intense and shorter ‘high’.

Cocaine use can cause damage to your nose. Regularly snorting cocaine, for example, can lead to loss of sense of smell, nosebleeds, problems with swallowing, hoarseness, and a chronically runny nose.
Source: NIDA

Cocaine can kill you the first time you use it. Source: NIDA

Common health effects include heart attacks, respiratory failure, strokes, and seizures. Large amounts can cause bizarre and violent behavior. In rare cases, sudden death can occur

• cocaine and crack are addictive;

• leaves users feeling tired and depressed for one or two days and sometimes longer;

• can cause chest pain and  heart problems that can be fatal;

• heavy use can cause convulsions;

• a habit is expensive and hard to control;

• crack and cocaine carry the same risks, but as the high can be so intense, crack use is even more difficult to control;

• mixing Viagra with crack and cocaine may increase the risk of heart problems.