Published: June 5, 2024

Bactrim for Urinary Tract Infections: How Resistant Are Bacteria to It?

Written by QuickMD Publications Team

2 minutes

Woman in need of Bactrim for Urinary Tract Infection

Bactrim, a combination of two antibiotics, sulfamethoxazole, and trimethoprim, was once the first choice for treating urinary tract infections (UTIs). However, every antibiotic has a finite number of times it can be used effectively before bacteria develop resistance.

Bactrim for UTIs

Bactrim is approaching its limit. This is a serious concern, as according to Harvard Medical School, one in three urinary tract infections in healthy young women is now resistant to this antibiotic.

When an antibiotic kills bacteria, some bacteria evolve immunity to it. Over time, these resistant bacteria become common enough to cause a significant percentage of infections. This underscores the importance of responsible antibiotic use. Therefore, it’s crucial that doctors do not prescribe antibiotics for colds and other viral illnesses for which antibiotics are not indicated.

A wide array of antibiotics is available for treating urinary tract infections. Choosing the best drug involves obtaining a urine sample, growing bacteria from it, and testing various antibiotics to determine which one(s) are most effective.

Some antibiotics commonly prescribed for urinary tract infections are:

Beta-lactams

  • Amoxicillin
  • Augmentin
  • Keflex
  • Duricef
  • Ceftin
  • Lorabid
  • Rocephin
  • Cephalexin
  • Suprax

Fluoroquinolones

  • Cipro
  • Levaquin
  • Floxin

Tetracyclines

  • Doxycycline
  • Minocycline

Aminoglycosides

  • Gentamycin
  • Amikacin
  • Tobramycin

Macrolides

  • Clarithromycin
  • Azithromycin
  • Erythromycin

Other

  • Fosfomycin

Did you know? QuickMD can treat your urinary tract infection from the comfort of your own home and prescribe antibiotics online. This convenient service ensures you can receive the care you need without the hassle of a traditional doctor’s visit.

Disclaimer

Articles on this website are meant for educational purposes only and are not intended to replace professional medical advice, diagnosis or treatment. Do not delay care because of the content on this site. If you think you are experiencing a medical emergency, please call your doctor immediately or call 911 (if within the United States). This blog and its content are the intellectual property of QuickMD LLC and may not be copied or used without permission.

QuickMD has strict referencing policies and relies on reputable sources, including peer-reviewed research, clinical guidelines, medical organizations, and government and public health agencies, among others. Learn more about how we ensure accuracy in our content by reading our editorial guidelines.

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