Oxacillin and 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. Oxacillin 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. 
 
Oxacillin was given a pregnancy Category B rating because the drug did not appear to cause any problems in studies on pregnant mice, rats, and rabbits. However, it is important to note that animals do not always respond to medicines in the same way that humans do. Therefore, a Category B medicine, including oxacillin, 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 oxacillin, let your healthcare provider know. He or she will consider both the benefits and risks before making a recommendation in your particular situation.
 
Pregnancy and Pain

Oxacillin Drug Information

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