Clinical practice guidelines for Obsessive-Compulsive Disorder.

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Obsessive-compulsive disorder (OCD) is a common psychiatric illness with lifetime prevalence of 1-3% [1]. It is the fourth-most common psychiatric illness and a leading cause of disability. OCD is associated with significant impairment in functioning, quality of life and disability. If untreated, OCD is a chronic illness with a waxing and waning of symptoms. A recent meta-analysis of long-term naturalistic prospective studies demonstrated that nearly a half of patients experience remission with much higher rates of remission in Indian patients compared to those in the west [2]. Early diagnosis and appropriate treatment may improve outcomes. Despite OCD being a common mental illness, most seek treatment after several years of suffering. Those who suffer from OCD tend to be secretive about their symptoms and suffer from shame and embarrassment. Less than a third of OCD sufferers receive appropriate pharmacotherapy and even less receive evidence-based psychotherapy. Symptoms The hallmarks of OCD are presence of obsessions and compulsions. Obsessions are repetitive, unwanted, intrusive thoughts, images or urges that are mostly ego-dystonic and cause severe distress or anxiety. Compulsions (or rituals) are repetitive behaviours or mental acts that are performed in response to an obsession to reduce anxiety/distress or prevent a dreaded consequence. Obsessions and compulsions are time consuming, distressing and are often resisted unsuccessfully. Clinical manifestations of OCD are remarkably similar across cultures and geographic locations. Common obsessions and compulsions and symptom dimensions identified through factor-analytical studies are shown in Table 1. Table 1 Common symptoms of OCD