The practical nurse (PN) is assisting with the plan of care (POC) for a client with costochondritis who is now experiencing increased discomfort in breathing. The client receives a prescription for meloxicam. Which intervention should the PN include in the client's POC?

C Reassess the client's pain 30 minutes after medication administration. B Initiate strict intake and output measurements and record every shift. D Observe the client daily for involuntary movements of the lips and tongue. A Ensure peak and trough serum levels are collected with the third medication dose.