An older adult male client who was successfully treated for herpes zoster with an antiviral medication reports that he is now experiencing pain on his trunk where the lesions were located. Which action should the nurse take?

Reassure the client that the infection is resolved and the pain should soon disappear.

Contact the healthcare provider about the need to resume the client's antiviral medication.

Review the medication record to determine when the last analgesic was administered.

Teach the client about the importance of completing the full course of antiviral medication.