Antibiotics Home > Cefzil

Cefzil, a type of antibiotic, may be prescribed to treat various bacterial infections. Taken as a tablet or an oral liquid, this drug works to kill bacteria by preventing them from making cell walls. The dosage your healthcare provider recommends will depend on factors like your age, the severity of the infection being treated, and how well your kidneys are functioning.

What Is Cefzil?

Cefzil® (cefprozil) is a prescription cephalosporin antibiotic licensed to treat a number of different infections. It is taken by mouth, and is approved for use in adults and children as young as six months old.
(Click Cefzil Uses for more information on this topic, including possible off-label uses.)

Who Makes This Medication?

Brand-name Cefzil was originally made by Bristol-Myers Squibb Company, but it is no longer being manufactured. Generic versions are still available and are made by various companies.

How Does Cefzil Work?

Cefzil is a cephalosporin antibiotic. Cephalosporins are part of a larger group of medications known as beta-lactam antibiotics, named after the ring-like "lactam" structure of these drugs. Cefzil works by stopping bacteria from making cell walls, which eventually causes the bacteria to die. Cephalosporins are related to penicillins. Cefzil is usually classified as a "second-generation" cephalosporin.

When and How to Take It

Some general considerations to keep in mind during treatment with Cefzil include the following:
  • This medication comes as a tablet or an oral suspension (liquid). It is taken by mouth, usually once or twice a day.
  • You can take Cefzil with or without food.
  • Make sure to shake the suspension well before each dose.
  • Make sure to finish the prescribed course of this antibiotic, as stopping it too soon can lead to a more serious infection.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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