Psychiatry A child with schizophrenia was on medications. Suddenly he developed neck stiffness & spasm. What is most probable cause? A Conversion disorder B Acute dystonia C Akathisia D Tardive dyskinesia 💡 Explanation A child with schizophrenia was on medications. Suddenly he developed neck stiffness & spasm. What is most probable cause? ✓ Correct Answer: B. Acute dystonia