A nurse is administering methenamine to a client with a UTI. Which of the following would the nurse instruct the client to avoid?
A) Ascorbic acid
B) Sodium bicarbonate
C) Acetaminophen
D) Ibuprofen
Ans: B
Feedback:
An increased urinary pH (alkaline urine) decreases the effectiveness of methenamine. Therefore, to avoid raising the urine pH when taking methenamine, the client should not use antacids containing sodium bicarbonate or sodium carbonate.
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