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For people struggling with drug addiction or alcoholism, Houston Substance Abuse Clinic offers substance abuse treatment and methadone maintenance for addiction recovery.Houston Substance Abuse Clinic is a outpatient drug rehab and alcohol treatment center located in Pasadena, Texas.If you would like more information on the Houston Substance Abuse Clinic, please give them a call at (281) 487-3934.Houston Substance Abuse Clinic offers specialized drug rehab programs for dui/dwi offenders.