Patient description: The patient is a 55-year-old man who was recently diagnosed with Parkinson's disease. He is complaining of slowness of movement and tremors. His disease is ranked as mild, Hoehn-Yahr Stage I. His past medical history is significant for hypertension and hypercholesterolemia. He lives with his wife. They have three children. He used to be active with gardening before his diagnosis. He complains of shaking and slow movement. He had difficulty entering through a door, as he was frozen and needed guidance to step in. His handwriting is getting smaller. He is offered Levodopa and Trihexyphenidyl. He is an alert and cooperative man who does not have any signs of dementia. He does not smoke or use any illicit drugs.

Clinical trial eligibility criteria: eligible ages (years): 18.0-999.0,  Alcohol Use Disorder Alcohol Dependence Be at least 18 years of age. 2. Have a current (past 12 months) DSM-5 diagnosis of AUD (4 or more symptoms) assessed using the MINI neuropsychiatric interview version 7.0.2 (at least moderate severity, ICD-10-CM Code F10.20 alcohol dependence, uncomplicated). 3. Have a BAC by breathalyzer equal to 0.000 when s/he signed the informed consent document (either just prior to or immediately after signing consent). 4. Be seeking treatment for problems with alcohol reduction in drinking. 5. Be able to verbalize an understanding of the consent form, able to provide written informed consent, verbalize willingness to complete study procedures, able to understand written and oral instructions in English and able to complete the questionnaires required by the protocol. 6. Agree (if the subject is female and of child bearing potential) to use at least one of the following methods of birth control, unless she is surgically sterile, partner is surgically sterile or she is postmenopausal: 1. oral contraceptives, 2. contraceptive sponge, 3. patch, 4. double barrier (diaphragm/spermicidal or condom/spermicidal), 5. intrauterine contraceptive system, 6. etonogestrel implant, 7. medroxyprogesterone acetate contraceptive injection, 8. complete abstinence from sexual intercourse, and/or 9. hormonal vaginal contraceptive ring. 7. Be able to take intranasal investigational products and be willing to adhere to the investigational product regimen. 8. Complete all assessments required at screening and baseline. 9. Have a place to live in the 2 weeks prior to randomization and not be at risk that s/he will lose his/her housing by Study Week 14. 10. Not anticipate any significant problems with transportation arrangements or available time to travel to the study site by Study Week 14. 11. Not have any plans to move within Study Week 14 to a location which would make continued participation in the study impractical. 12. Not have any unresolved legal problems that could jeopardize continuation or completion of the study. 13. Provide contact information of someone, such as a family member, spouse, or significant other, who may be able to contact the subject in case of a missed clinic appointment. 14. Be someone who in the opinion of the investigator would be expected to complete the study protocol. 15. Agree to the schedule of visits, verbally acknowledge that s/he will be able to attend each scheduled visit, participate in phone visits and that s/he does not have any already scheduled events or a job that may substantially interfere with study participation. 16. If taking a medication for depression or anxiety, must have been taking a stable dose in the 2-months prior to randomization and plan to continue during the study. This includes drugs such as the following SSRIs Dual uptake inhibitors SNRIs Tricyclic antidepressants MAOIs Bupropion 17. Not currently taking oxytocin and agree not to take non-study oxytocin for the duration of the study  Contact study site for