A nurse reviews the medication list of a client recovering from a computed tomography (CT) scan with IV contrast to rule out small bowel obstruction. Which medication should alert the nurse to contact the provider and withhold the prescribed dose?
a. Pioglitazone (Actos)
b. Glimepiride (Amaryl)
c. Glipizide (Glucotrol)
d. Metformin (Glucophage)
ANS: D
Glucophage should not be administered when the kidneys are attempting to excrete IV contrast from the body. This combination would place the client at high risk for kidney failure. The nurse should hold the metformin dose and contact the provider. The other medications are safe to administer after receiving IV contrast.
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