A client receiving a continuous epidural morphine infusion becomes difficult to arouse. Respirations are 8/min and oxygen saturation is 88%. Which action should the nurse take first?

Marked sedation, respirations of 8/min, and oxygen saturation of 88% indicate opioid-related respiratory depression. Stop the opioid source, support ventilation, activate urgent help, and prepare reversal treatment according to protocol. Waiting or adding sedation can allow respiratory failure to progress.

Quick answer
Stop the epidural opioid, support ventilation, and activate the urgent response immediately.

Why this is correct
The client is not merely sleepy; decreased arousability and slow respirations show inadequate ventilation. Removing the ongoing opioid exposure and supporting breathing address the immediate threat while additional help and naloxone are prepared.

Easy analogy or mental picture
An opioid infusion is like a tap continuing to fill a basin. Stopping the tap prevents more drug delivery while ventilation support drains the immediate danger. The comparison does not imply that stopping the infusion alone reverses medication already absorbed.

Memory hook
Sedation plus slow breathing: stop the opioid, support breathing, summon help.

NCLEX decision rule
For neuraxial opioid therapy, treat increasing sedation and respiratory depression as an airway and ventilation emergency rather than waiting for the next scheduled assessment.

Why the other choices are wrong
Increasing the infusion or adding a sedative worsens respiratory suppression. Coaching and delayed reassessment are insufficient when oxygenation and ventilation are already impaired.

Clinical Practice Guide
For Post-thyroidectomy airway compromise, compare the complete cue pattern with the client's current stability, ordered data, and expected nursing scope.

Caution
Do not choose an action from one isolated cue when the full scenario changes priority or safety.