A nurse can anticipate anticholinergic side effects are likely to occur when a patient is taking:

A) lithium (Lithobid) .
B) buspirone (BuSpar) .
C) risperidone (Risperdal) .
D) fluphenazine (Prolixin) .

Fluphenazine, a first-generation antipsychotic medication, exerts muscarinic blockade, resulting in dry mouth, blurred vision, constipation, and urinary retention. Lithium therapy is more often associated with fluid balance problems, including polydipsia, polyuria, and edema. Risperidone therapy is more often associated with movement disorders, orthostatic hypotension, and sedation. Buspirone is associated with anxiety reduction without major side effects.