Oxytocin to Enhance Integrated Treatment for AUD and PTSD

This study is testing whether oxytocin (a hormone sometimes called the 'bonding hormone') given as a nasal spray can improve the effectiveness of an integrated therapy program for U.S. military veterans who have both alcohol use disorder and PTSD. **You may be eligible if...** - You are a U.S. military veteran, male or female, between 18 and 70 years old - You have been diagnosed with moderate to severe alcohol use disorder - You have been diagnosed with PTSD - You are willing to reduce your drinking and engage in therapy **You may NOT be eligible if...** - You have bipolar disorder or psychotic disorder - You have a serious unstable medical condition - You are currently using opioids or have opioid use disorder requiring medication - You are pregnant or breastfeeding Talk to your doctor to see if this trial is right for you.