Delayed onset of oculogyric crisis and torticollis with intramuscular haloperidol.

Objective: To report a case of delayed-onset dystonic reactions, oculogyric crisis (OGC), and torticollis after treatment with intramuscular haloperidol lactate injection.

Case Summary: A 22-year-old Mexican American woman received intramuscular haloperidol lactate 7.5 mg followed 4 hours later by 10 mg.