Question:
All of the following are used for treatment of H. pylori, except?
All of the following are used for treatment of H. pylori, except?
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Find the aminoglycoside that is not in any eradication regimen.
Updated On: Jun 24, 2026
- Gentamycin
- Clarithromycin
- Metronidazole
- Amoxicillin
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The Correct Option is A
Solution and Explanation
Step 1: Helicobacter pylori eradication uses combination regimens that pair a proton pump inhibitor with two or more antibiotics.
Step 2: The standard antibiotics in these regimens are clarithromycin, amoxicillin, metronidazole, tetracycline, and bismuth-based therapy. Clarithromycin, metronidazole, and amoxicillin are all part of triple or quadruple therapy.
Step 3: Gentamycin, an aminoglycoside, is not used in any of the established successful multi-drug regimens against H. pylori, so it is the exception.
Step 4: Hence gentamycin is the correct answer to this except-type question, while the other three are genuine anti-H. pylori agents.
Step 2: The standard antibiotics in these regimens are clarithromycin, amoxicillin, metronidazole, tetracycline, and bismuth-based therapy. Clarithromycin, metronidazole, and amoxicillin are all part of triple or quadruple therapy.
Step 3: Gentamycin, an aminoglycoside, is not used in any of the established successful multi-drug regimens against H. pylori, so it is the exception.
Step 4: Hence gentamycin is the correct answer to this except-type question, while the other three are genuine anti-H. pylori agents.
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