Which of the following is a potential adverse effect of oxycodone?

A. Insomnia is not a common adverse effect of oxycodone; opioids are more likely to cause sedation. B. Hypertension is uncommon with oxycodone; it more often causes hypotension or dizziness due to vasodilation. C. Constipation is a frequent and expected adverse effect of opioids like oxycodone because they slow gastrointestinal motility. Clients should be taught to increase dietary fiber, fluids, and physical activity, and use stool softeners or laxatives as recommended. D. Increased appetite is not a typical effect of oxycodone; changes in appetite are not a primary concern with this medication.