RATIONALE: The client's signs and symptoms suggest neuroleptic malignant syndrome, a life-threatening reaction to neuroleptic medication that requires immediate treatment. Tardive dyskinesia causes involuntary movements of the tongue, mouth, facial muscles, and arm and leg muscles. Dystonia is characterized by cramps and rigidity of the tongue, face, neck, and back muscles. Akathisia causes restlessness, anxiety, and jitteriness.NURSING PROCESS STEP: AssessmentCLIENT NEEDS CATEGORY: Physiological integrityCLIENT NEEDS SUBCATEGORY: Pharmacological and parenteral therapiesCOGNITIVE LEVEL: Knowledge