Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 1/25/2026

Alcohol Use Negatively Impacts OCD Treatment Outcomes

Alcohol Undermines First‑Line OCD Therapies

  • Alcohol consumption disrupts the neurobiological stability required for optimal response to serotonin reuptake inhibitors (SRIs) and cognitive‑behavioral therapy (CBT), the two evidence‑based cornerstone treatments for obsessive‑compulsive disorder. [Evidence from comprehensive disease‑primer review] 1, 2

  • When individuals with OCD use alcohol as a maladaptive coping strategy, their ability to learn and apply the adaptive anxiety‑management skills taught in CBT is significantly impaired, reducing overall treatment effectiveness. [Evidence from comprehensive disease‑primer review] 1, 2

Integrated Pharmacotherapy + CBT Requires Addressing Alcohol Use

  • Combined pharmacological treatment (e.g., SRIs) and CBT produces superior outcomes compared with usual care for patients with co‑occurring substance‑use disorders, but these benefits are realized only when concurrent alcohol use is explicitly targeted and treated. [Randomized clinical trial evidence] 3