Methadone detox is a course of action which should be undertaken with the assistance of drug rehab professionals in a drug and alcohol rehabilitation program that recognizes how tricky and how much of a challenge methadone detox is. Methadone detoxification is known as being significantly more serious when considering symptoms and duration than even heroin detox, and persons often relapse back onto methadone to alleviate symptoms of withdrawal or worse yet turn to heroin or prescription pain relievers to relieve symptoms. For this reason methadone detox should only be done under with the help of treatment professionals at a Cardiff drug treatment facility which has experience in handling this form of detoxification, and where the individual who is detoxing may take part in more treatment services to handle all substance abuse problems.