Used for the treatment of opiate addiction, methadone is highly restricted and must be taken in the presence of a medical professional when it’s prescribed for the treatment of addiction. Patients must go to a methadone clinic daily to get their dose. Over time, as long as they remain drug-free and come in daily, they can earn “take-homes” or doses of medication to take at home so they don’t have to come in every day. Advantages of methadone maintenance are that it: