Addiction and dependence to methadone can greatly decrease a methadone addict's quality of life, even if an user is using methadone because of an opiate maintenance plan. Unfortunately, methadone maintenance will not resolve opiate addiction and often leaves a the substance abuser in Mcallen addicted to another substance of abuse, which can cause serious side effects and a number of other consequences. For this reason, individuals who wish to get off of methadone can undergo a methadone detox at a drug detox facility in the Mcallen area that has experience in this type of detox. There are several drug treatment centers in Mcallen who offer methadone detox services, a great many of which look to follow this up with extensive drug rehab services designed to treat beyond just the physical symptoms of opiate addiction.