a patient who is prescribed promethazine (phenergan) currently has a respiratory rate of 8 breaths/min when it is time to give the next dose. what is your most important action?

A potentially fatal side effect of various antiemetic medications, including promethazine, is respiratory depression (decreased desire for breathing). After giving the patient this medication, you must watch their respiration rate closely and notify the physician if it drops. A respiration rate of 8 breaths per minute is quite low, thus the medication should be held. While raising the head of the bed, testing oxygen saturation, and administering oxygen are all effective treatments for low respiratory rates, notifying the prescriber and delaying the medicine are the most crucial steps in order to stop additional respiratory depression.

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