Terre Haute, a city with a total area of 91.35 km², is home to a number of higher education institutions and clinics. Particularly, Terre Haute is home to some methadone clinics, a place where opioid use disorder could be medically treated. As of 2018, it had a population estimated at 60,753. Residents of Terre Haute or nearby cities who wish to treat opioid addiction may visit any methadone clinic Terre Haute. An individual’s occasional intake of opioids, especially when they rely on it physically or psychologically leads to an opioid use disorder. It is a situation where withdrawal is difficult because of its painful symptoms. Methadone clinics specialize in treating the situation medically by dispensing a drug approved by the Food and Drug Administration, methadone. Some methadone clinics in Indiana provide additional services like mental health services and consultation services. Such services are essential in methadone maintenance because the program enrollees are usually encouraged to participate in behavioral therapies to correct the psychological effects of opioids. Methadone is safe and effective. It has been added to the World Health Organization’s list of essential medications but it should only be taken in methadone clinics that are accredited by the Substance Abuse and Mental Health Services Administration and registered with the Drug Enforcement Administration.