Drug rehabilitation is a psychotherapeutic treatment, for any sort of dependency on substances like alcohol, prescription drugs and so on. It also depends on the drugs like cocaine, heroin and so on. The primary objective of the drug rehab center is to enable the patient in order to stop the use of drug, so as to avoid certain consequences due to the extreme use of the drug. The normal and regular use of a number of drugs by a person will tend to affect the brain, since it quickly adapts to it and therefore the absence of the drug intake will cause serious problems to the brain.Drugs like heroin, cocaine and nicotine tend to change the life style of a person and push him or her into serious consequences. Extreme use of drugs could cause several problems where a person takes a number of months to come back to the normal state. The so called drug rehab centers are primarily intended to treat the patients affected from drugs, to come back to their state by means of several treatments like residential treatments, extended care centers, sober houses and so on. Here patients are normally advised by the councilors not to have contact with people consuming drug on a regular basis.