**Question:** Repetitive hand washing is a symptom of: NIMHANS 07; AFMC 11

**Core Concept:** Repetitive hand washing is a symptom related to obsessive-compulsive disorder (OCD) and is described in the context of NIMHANS (National Institute of Mental Health and Neurosciences) and AFMC (Army Medical College) questions. OCD is a psychiatric disorder characterized by intrusive thoughts, images, or impulses that cause significant distress and repeated behaviors or mental acts that bring relief from that distress.

**Why the Correct Answer is Right:** Repetitive hand washing is a key symptom in the obsessive-compulsive disorder (OCD) classification. OCD patients experience intrusive thoughts or images that lead to distress and compulsive behaviors that alleviate that distress. In the context of OCD, repetitive hand washing serves as a compulsive behavior aimed at preventing a perceived contamination or germ threat, despite being aware of its excessive nature.

**Why Each Wrong Option is Incorrect:**

A. **Option A:** This is incorrect because repetitive hand washing is a specific symptom associated with OCD, not a symptom of a broader category or disorder.

B. **Option B:** This option is incorrect as repetitive hand washing is a specific symptom of OCD, not a symptom of a related condition.

C. **Option C:** This choice is incorrect because repetitive hand washing is a specific symptom of OCD, not a symptom of a related condition.

D. **Option D:** While anxiety is a common symptom in OCD, repetitive hand washing is a specific symptom of OCD, not anxiety itself.

**Clinical Pearl:** Repetitive hand washing is a challenging symptom to manage in patients with OCD, often requiring a combination of psychotherapy and medication, particularly selective serotonin reuptake inhibitors (SSRIs) or cognitive-behavioral therapy (CBT) targeting obsessive-compulsive behaviors.

**Correct Answer:** OCD (Obsessive-Compulsive Disorder)

**Explanation:** In the context of NIMHANS and AFMC questions, we understand that repetitive hand washing is a specific symptom of obsessive-compulsive disorder (OCD). OCD is a psychiatric disorder characterized by intrusive thoughts, images, or impulses that cause distress and repetitive behaviors or mental acts that alleviate that distress. In this case, repetitive hand washing serves as a compulsive behavior aimed at preventing a perceived contamination or germ threat, despite recognizing its excessive nature. This symptom is distinct from anxiety, which is a common co-occurring symptom in OCD.

**Why this is important:** Repetitive hand washing is an essential symptom to recognize, as it demonstrates a need for a comprehensive evaluation and treatment plan for patients with OCD. Treatment often involves a combination of psychotherapy (typically cognitive-behavioral therapy, CBT) and medication, particularly selective serotonin reuptake inhibitors (SSRIs), which can help to alleviate the compulsive behaviors in OCD patients.

**Reference(s):**

1. **NIMHANS (National Institute of Mental