A patient is receiving intravenous promethazine (Phenergan) 25 mg for postoperative nausea and vomiting. What is an important nursing action when giving this drug?
a. Giving the dose as an IV push over 3 to 5 minutes
b. Infusing the dose with microbore tubing and an infusion pump
c. Observing the IV insertion site frequently for patency
d. Telling the patient to report dry mouth and sedation
ANS: C
If IV administration must be done with this drug, it should be given through a large-bore, freely flowing line. The site should be monitored closely for local burning or pain or any sign of extravasation, which can cause abscess formation, tissue necrosis, and gangrene requiring amputation. Giving the medication as a rapid IV push or through microbore tubing does not adequately slow the infusion or dilute the drug. Dry mouth and sedation are expected side effects of this drug and are not dangerous.
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