A nurse attempts to administer lactulose to a client who has cirrhosis. The client refuses to take the medication because it causes diarrhea. The nurse provides teaching about the medication, but the client continues to refuse the medication. Which action should the nurse take first?

Explain again to the client the consequences of refusing to take the medication.

Document in the client's clinical record the client's refusal to take the medication.

Notify the primary health-care provider of the client's refusal to take the medication.

Discuss with a family member the need for the client to take the medication.