A patient receiving risperidone (Risperdal) reports severe m…

A patient receiving risperidone (Risperdal) reports severe muscle stiffness at 1030. By 1200, the patient has difficulty swallowing and is drooling. By 1600, vital signs are 102.8° F; pulse 110; respirations 26; 150/90. The patient is diaphoretic. Select the nurse’s best analysis and action.