“In my experience, memantine -- especially if added to something like a serotonin reuptake inhibitor -- can be additionally helpful for depressive symptoms, obsessive-compulsive disorder and anxiety,” Phillips added.

Source: https://www.gjsentinel.com/lifestyle/health_and_wellness/an-alzheimers-drug-might-ease-hair-pulling-disorder/article_ea3abbbd-b7d1-5427-a869-1993a32373a8.html