Bacteria Home > Cefdinir

What Is It Used For?

Some infections that cefdinir is used to treat include:
(Click What Is Cefdinir Used for? for more information.)
Cefdinir is not effective against any infection caused by a virus, such as the flu, stomach flu, or common cold.

How Does It Work?

Cefdinir is part of a class of drugs called cephalosporins. It prevents bacteria from making and maintaining their cell wall. Without a cell wall, bacteria are vulnerable and ultimately perish.

Effects of Cefdinir

By affecting the cell wall of bacteria, cefdinir helps stop bacteria from thriving and causing infection in the body.

When and How Do I Take It?

General considerations for when and how to take cefdinir include the following:
  • The medication comes as a capsule or suspension (liquid), and is usually taken once or twice a day, depending on your healthcare provider's instructions.


  • Be sure to shake the suspension well just before each dose.


  • It should be taken at the same time each day to maintain an even level of the drug in your system.


  • For the medication to work properly, you have to take it as prescribed.


  • Make sure that you complete your entire prescription of cefdinir, even if you start feeling better. This will ensure that the infection is completely treated.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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