A nurse is providing a community education class on morphine sulfate. Which symptom, chosen by a member of the audience, indicates a need for further teaching with regard to an understanding of adverse effects of morphine sulfate?
In addition to relieving pain, the drug causes drowsiness, mental clouding, anxiety reduction, and a sense of well-being. Through actions in the CNS and periphery, morphine can cause respiratory depression, constipation, urinary retention, orthostatic hypotension, emesis, miosis, cough suppression, and biliary colic. With prolonged use, the drug produces tolerance and physical dependence.