Obsessive Compulsive Disorder (OCD) has been around for many years. It is debilitating for patients to participate in activities that they can enjoy due to both their obsessions and compulsions, which cause them to feel somewhat excluded from their fellow society members. In this essay, the symptoms of OCD will be described; It is also the most empirically studied exposure and response prevention (ERP) treatment method, as well as the process involved in treating a patient with this type of therapy. Errors made by practitioners in implementing this treatment will be addressed. Additionally, drug therapy will be briefly analyzed as a means to improve effectiveness. We conclude that exposure response prevention treatment in adults proves to be the most effective treatment method according to empirical research, despite some minor pitfalls. For a person to be diagnosed with OCD, they must have both an obsession and a compulsion. An obsession is best defined as recurring and persistent thoughts, urges, or images that are experienced during the disturbance as intrusive and unwanted. While compulsions are defined by: repetitive behaviors such as hand washing, ordering, checking in which the person feels strongly compelled to perform in response to their obsession The Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM-5; American Psychiatric Association, 2013). The most empirically valid treatment method is called exposure response prevention (Himle & Franklin, 2009). This will be the psychological method of treatment discussed. Victor Meyer was the first to be credited with conducting a study relating to the effects of ERP on OCD. He persuaded hospitalized patients to choose a form of drug therapy that absolutely should be considered. In summary, based on empirical evidence, exposure and response prevention (ERP) treatment should be the most effective treatment. effective form of psychological treatment. If the practitioner correctly undertakes the appropriate steps to implement this treatment with the patient; severity will be lower than the gold standard of OCD treatments - the Y-Bocs scale, which empirical evidence suggests is the most accurate form of measuring disorder severity in hopes of neutralizing symptoms of this socially debilitating disorder. condition. It is therefore recommended, for optimal treatment effectiveness, that any patient participate in ERP treatment or consider pharmacotherapy with selective serotonin reuptake inhibitors to assist in the neutralization of this socially debilitating disorder...