Antibiotics Home > Cefzil and Pregnancy

It is typically considered safe for women to take Cefzil (cefprozil) during pregnancy. Animal studies on this antibiotic did not appear to cause any problems in the offspring. However, animals may respond differently to drugs than humans do, so talk to your healthcare provider about the benefits and risks of using this antibiotic when pregnant.

Can Pregnant Women Take Cefzil?

Cefzil® (cefprozil) is a prescription antibiotic used to treat ear infections, strep throat, sinus infections, and various other bacterial infections. It is a cephalosporin antibiotic. Cephalosporins are usually considered safe for use during pregnancy.

What Is Pregnancy Category B?

The U.S. Food and Drug Administration (FDA) uses a category system to classify the possible risks to a fetus when a specific medicine is taken during pregnancy. Cefzil is classified as a pregnancy Category B medication.
Pregnancy Category B is given to medicines that have not been adequately studied in pregnant humans but do not appear to cause harm to the fetus in animal studies. Medications that have been shown to be safe for use in pregnancy in humans but have caused problems in laboratory animals are also given a Category B rating.
Cefzil was given a pregnancy Category B rating because studies in pregnant rats, mice, and rabbits did not appear to cause any problems. However, it is important to note that animals do not always respond to medicines in the same way that humans do. Therefore, a pregnancy Category B medicine, including Cefzil, should be given to a pregnant woman only if her healthcare provider believes that the benefits to the woman outweigh any possible risks to her unborn child.

Final Thoughts

If you are pregnant or thinking of becoming pregnant while using Cefzil, let your healthcare provider know. He or she will consider both the benefits and risks before making a recommendation in your particular situation.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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