Antibiotics Home > Vantin

A healthcare provider may prescribe Vantin to treat various bacterial infections. It comes as a tablet or oral suspension (liquid), and is usually taken twice daily. Your dosage will be calculated based on your age and weight, the severity of the infection, and other medications you are taking, among other factors. Side effects can include nausea, diarrhea, and yeast infections.


What Is Vantin?

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

Who Makes This Medication?

Brand-name Vantin was made by Pfizer, Inc., but is no longer being manufactured. Generic versions, however, are still available and are made by various manufacturers.

How Does Vantin Work?

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

When and How to Take It

Some general considerations to keep in mind during treatment with Vantin include the following:
  • This medication comes in tablet or oral suspension (liquid) form. Vantin is taken by mouth, usually twice a day.
  • The length of treatment recommended will vary, depending on the type and severity of the infection.
  • The tablets are best absorbed when taken with food. For the liquid, you may take it 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 Vantin too soon can lead to more serious infections.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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