<prompt> A schizophrenic patient started on haloperidol 2 days back, comes with complaints of torticollis and orofaciolingual movements. What is the diagnosis?Acute dystoniaTardive dyskinesiaParkinsonismAkathisia  <response>: Ans. A Acute dystoniaRef: Katzung 11e p497; KDT 8e p471Dystonias are brief or prolonged contractions of muscles that result in obviously abnormal movements or postures, including oculogyric crises, tongue protrusion, trismus, torticollis, laryngeal-pharyngeal dystonias, and dystonic postures of the limbs and trunk. These are earliest appearing extrapyramidal symptoms with antipsychotic drugs. 