Clinical Research Directory

Inclusion Criteria: 1. Age between 19 and 70 2. Moderate to severe PTSD as determined by the CAPS within 7 days of randomization. 3. Agree to have CAPS audio-recorded. 4. Ability to obtain a Motor Threshold using the TMS device during screening. 5. Patient eligible for VA healthcare. 6. If female with childbearing potential, use of acceptable method of birth control (i.e., use of contraceptives, abstinence). 7. Able to read, understand, and sign the informed consent document. Exclusion Criteria: 1. Pregnant or lactating woman. 2. Current use of clozapine (any dose) or bupropion (more than 300mg per day). 3. Cardiac pacemaker or implantable defibrillator. 4. Presence of any metal object in the head, including cochlear implants, but excluding dental work in the mouth. 5. Significant central nervous system disorder (stroke, brain mass, epilepsy). 6. Seizure in past one year. 7. Current psychosis or mania. 8. Prior use of TMS. 9. Significant suicidal ideation. 10. Unstable medical conditions. 11. Current alcohol or substance use disorder (except nicotine) that interferes with the patient's ability to participate. 12. CPT or PE for PTSD in the past 2 months. 13. Changes in Fluoxetine, Paroxetine, Sertraline, or Venlafaxine in the past 2 months.