USMLE Forum - Largest USMLE Community
ciprofloxacin - zkadhem - Printable Version

+- USMLE Forum - Largest USMLE Community (https://www.usmleforum.com)
+-- Forum: USMLE Forum (https://www.usmleforum.com/forumdisplay.php?fid=1)
+--- Forum: Step 1 (https://www.usmleforum.com/forumdisplay.php?fid=2)
+--- Thread: ciprofloxacin - zkadhem (/showthread.php?tid=163876)



ciprofloxacin - zkadhem - ArchivalUser - 02-21-2007

8-18. A 36-year-old female with a chronic UTI treated with ciprofloxacin is not responsive to the antibiotic. Which of the following agents that she might have been taking for other reasons would decrease the effectiveness of ciprofloxacin?
a. An antacid
b. An antihistamine
c. A nonsteroidal anti-inflammatory
d. An anxiolytic
e. A multivitamin not containing iron


0 - ArchivalUser - 02-21-2007

aa


0 - ArchivalUser - 02-21-2007

a?


0 - ArchivalUser - 02-21-2007

A:


0 - ArchivalUser - 02-21-2007

AA


0 - ArchivalUser - 02-21-2007

cimetidine which is a H2 blocker i think that would be A


0 - ArchivalUser - 02-21-2007

8-18. The answer is a.
Decreased gastrointestinal absorption of ciprofloxacin occurs with antacids because of their ability to adsorb the fluoroquinolone. Other preparations containing divalent ions,such as iron, will impede fluoroquinolone absorption.