A patient is taking bismuth subsalicylate (Pepto-Bismol) to prevent diarrhea. The nurse performing an assessment notes that the patient's tongue is black. What will the nurse do?
a. Assess further for signs of gastrointestinal (GI) bleeding.
b. Reassure the patient that this is an expected side effect of this drug.
c. Request an order for liver function tests to evaluate for hepatotoxicity.
d. Withhold the drug, because this is a sign of bismuth overdose.
ANS: B
Bismuth subsalicylate can cause blackening of the tongue and stools, an expected side effect. This finding does not indicate GI bleeding, hepatotoxicity, or drug overdose.
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Indicate whether the statement is true or false
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