Repetitive Transcranial Magnetic Stimulation for Opiate Use Disorder

Inclusion Criteria: 1. Participants must be able to provide informed consent and function at an intellectual level sufficient to allow accurate completion of all assessment instruments. 2. Participants must meet DSM-5 criteria for moderate or severe OUD. While individuals may also meet criteria for use disorders of other substances (with the exception of alcohol or benzodiazepines), they must identify prescription opiates as their primary substance of abuse. 3. Participants must be admitted to the inpatient unit for opiate detoxification. 4. Participants must consent to random assignment. Exclusion Criteria: 1. Participants who are pregnant will be excluded. 2. Participants with a history of/or current psychotic disorder will be excluded. 3. Participants with a history of dementia or other cognitive impairment will be excluded. 4. Participants with active suicidal ideation, or a suicide attempt within the past 90 days will be excluded. 5. Participants with contraindications to receiving rTMS (including a history of seizures, or any implanted metal above the neck) will be excluded. 6. Those with unstable general medical conditions will be excluded. 7. Those who are currently using naltrexone, or tramadol, will be excluded. 8. Those with alcohol or benzodiazepine use disorders will be excluded due to increased risk of seizure.