Substance Use Disorders · NEET PG Preparation Psychiatry
A 28-year-old man presents with agitation, perceptual disturbances, grandiose delusions, impaired judgment, and tachycardia. Physical examination rev…
Practice question from Substance Use Disorders (NEET PG Preparation Psychiatry), with the correct answer and a step-by-step solution.
medium · MCQ · Q-D32064
A 28-year-old man presents with agitation, perceptual disturbances, grandiose delusions, impaired judgment, and tachycardia. Physical examination reveals pupillary dilation, elevated blood pressure, and perspiration. He mentions feeling a crawling sensation beneath his skin. Which substance is the most likely cause of this presentation?
- A.Heroin
- B.Cannabis
- C.CocaineCorrect answer
- D.Alprazolam
Solution
Cocaine intoxication presents with sympathomimetic signs (tachycardia, hypertension, mydriasis, diaphoresis) and psychiatric manifestations including agitation, grandiosity, paranoia, and tactile hallucinations (such as formication, the sensation of bugs crawling under the skin, classically known as Magnan's sign).
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