Q:

What antibiotics best treat bladder infections?

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Quick Answer

Antibiotics that effectively treat bladder infections include various types of penicillins, cephalosporins, tetracyclines, aminoglycosides and macrolides as well as fluoroquinolones and trimethoprim-sulfamethoxazole combination antibiotics, states RxList. The most common type of antibiotic used to treat bladder infections is penicillin.

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Full Answer

Both penicillin and cephalosporin are types of beta-lactams. Common brand-name beta-lactams used to treat bladder infections are amoxicillin, Augmentin, Keflex, Duricef and Ceftin, RxList reports.

For those allergic to penicillin, alternatives to beta-lactams include Bactrim DS and Septra. Cipro, Levaquin and Floxacin may also be used to treat bladder infections, though they should not be used in patients who are younger than 18 or who are pregnant, explains RxList.

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