NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What generation is Cefdinir classified as?

  1. 1st generation

  2. 2nd generation

  3. 3rd generation

  4. 4th generation

The correct answer is: 3rd generation

Cefdinir is classified as a third generation cephalosporin antibiotic. This classification is based on the spectrum of activity against different types of bacteria. First generation cephalosporins (option A) have a narrow spectrum of activity and are effective against Gram-positive bacteria. Second generation cephalosporins (option B) have an extended spectrum of activity and are also effective against some Gram-negative bacteria. Fourth generation cephalosporins (option D) have a broader spectrum of activity and are effective against a wider range of bacteria, including those that are resistant to other generations. Therefore, the correct answer is C, as cefdinir falls in the middle of the spectrum and is classified as a third generation cephalosporin.

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