Crack is another form of cocaine that can be smoked. Cocaine is not very commonly used in Australia and crack use is rare. This increases the risk of overdose, since the purity of cocaine is difficult to determine. Adulterants can also cause health problems. It reduces appetite and heightens energy and alertness.
Cocaine can cause euphoria and increased confidence.
It can also cause anxiety and panic. Cocaine can lead to feelings of great physical strength and mental capacity. It can cause sexual arousal or aggressive behaviour. The effects of cocaine are brief, lasting about half an hour. High doses of cocaine can lead to extreme agitation, panic or paranoia.