Methamphetamine is also known as "speed","ice", and "tik". It is a highly addictive stimulant drug that activates certain areas in the brain to create a euphoric rush. It is chemically related to amphetamine but has a greater effect. Tik has become a scourge in South Africa because of its ready availability and low cost. Many people think that tik is a new drug but in fact it has been around for decades. It has just become more popular recently as local gangs started producing it. A great many people are addicted to this dangerous substance and in need of treatment in a drug rehab center.

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Cocaine is abused in two forms: a fine white powder which is snorted up the nose and in "rocks" also known as crack. Crack is made from cocaine by mixing it with other substances. Powdered cocaine can also be dissolved in water and injected intravenously. Drug rehab centers in South Africa have a great deal of experience in treating cocaine addicts from around the world.

Methamphetamine is a psychostimulant and sympathomimetic drug. It affects the central nervous system and creates a "high" that leaves users feeling energized and euphoric. It has a high incidence of abuse partly because of its easy availability and relative inexpensiveness.

Crack cocaine is a solid, smokable form of cocaine. It is a freebase form of cocaine manufactured in crude laboratories from cocaine. It was very popular in the United States during what became known as the "crack epidemic" from 1984 to 1990. Crack cocaine is again becoming a popular drug and is a problem in many countries. Crack cocaine is an addictive substance and users may need assistance in a drug rehab to stop using it.