An addict develops delusion, misleading hallucination of sight and hearing and the feeling of creeping things of “grains of sand” in the skin,he is addicted is –
**Core Concept**
Delusional parasitosis is a psychiatric disorder characterized by a false belief that one's skin is infested with parasites, leading to tactile hallucinations. This condition is often associated with substance use disorders, particularly with opioids.
**Why the Correct Answer is Right**
The feeling of creeping things, such as grains of sand, on the skin is a classic symptom of delusional parasitosis. This symptom is often accompanied by delusions and misleading hallucinations. In the context of substance use, opioids can induce a range of psychiatric symptoms, including delusional parasitosis. The exact mechanism is unclear, but it is thought to be related to the effects of opioids on the central nervous system, particularly the mesolimbic dopamine system.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as it does not specifically relate to the symptoms described.
**Option B:** This option is incorrect as it does not accurately describe the condition.
**Option C:** This option is incorrect as it is a different substance use disorder with distinct symptoms.
**Clinical Pearl / High-Yield Fact**
Delusional parasitosis is often associated with opioid use and can be a challenging condition to diagnose and treat. It is essential to consider this diagnosis in patients with a history of substance use who present with tactile hallucinations and delusions.
**Correct Answer: B. Opioids.**