Mental health
OCD and addiction: When compulsions include substances
Published October 25, 2024 · 7 min read · Updated April 2026
Reviewed for accuracy by licensed clinical professionals.
OCD and addiction share compulsive behavior patterns and overlapping neurobiology. Approximately 25% of people with OCD also have a substance use disorder.
The connection
Substances temporarily relieve OCD anxiety and intrusive thoughts. Compulsive substance use mirrors OCD compulsive patterns. Both involve disrupted reward and habit circuits.
Treatment
SSRIs (first-line for OCD) are non-addictive and treat both conditions. ERP (Exposure and Response Prevention) is the gold standard behavioral treatment for OCD. Integrated treatment addressing both simultaneously.
Frequently asked questions
Is OCD related to addiction?
Both share compulsive patterns and overlapping neurobiology. Approximately 25% of people with OCD have co-occurring SUD.
Does OCD medication help with addiction?
SSRIs treat OCD anxiety without addiction risk, and reducing OCD symptoms may reduce substance use as self-medication.
What therapy works for both?
Integrated treatment combining ERP for OCD with addiction-specific behavioral therapy.
Disclaimer: Informational only. Not medical advice. SAMHSA: 1-800-662-4357.