Drug detox is the most important part of becoming free from addiction, and because of this drug detox should be handled with great care. Drug detox is a medical procedure. Drug detox should be handled in a medical facility under great supervision.
The reason for this is because drug detox can be fatal. What happens to the body when one becomes addicted is a chemical change, and to take this chemical away from the body all at once without proper care from the drug detox can turn from a positive process to a fatal one.
If you elect to enter a rehab facility, you will have the guidance and help you need to get through the detox procedure. However, if you decide outpatient rehab is more your speed, you must contact a doctor and be under his or her supervision while you are ridding your body of drugs.