A client with a prescription for morphine sulfate 0.2 mg intravenously every 4 hours as needed for pain reports that pain is a 10 out of 10 on the numeric pain scale one hour after receiving the last administration. Which intervention should the nurse implement?

Contact the healthcare provider about the frequency of pain medication.

Encourage the client to allow more time for the medication to work.

Review the medical record for additional pain medication prescriptions.

Administer an additional dose of morphine sulfate 0.2 mg intravenously.