Crack cocaine is a free base form of cocaine that can be smoked. It offers a short but intense high to smokers. It causes high activity, insomnia, loss o appetite, high confidence and so on. A little much dose, leads to more hallucinations, a person loses touch with reality.
Crack cocaine isn’t only very popular, but also users become addicted very quickly. Many users dye very early. It also connected with the fact, that very often crack is used as <dirty> cocaine. After cracks use, there is increase in blood pressure, it first hits the heart, lungs and liver.