MiraLAX and Pregnancy

Although no animal or human studies have been done on using MiraLAX (polyethylene glycol 3350) during pregnancy, this laxative does not enter the bloodstream. Therefore, it is unlikely that this medication would be passed to a developing fetus. However, because all of the potential risks cannot be ruled out, you should only take this drug during pregnancy if the benefits outweigh the risks.

Can Pregnant Women Take MiraLAX?

MiraLAX® (polyethylene glycol 3350) is a nonprescription laxative used to treat occasional constipation. It is considered an osmotic laxative. It is not yet clear if MiraLAX is safe for use during pregnancy.
 

What Is Pregnancy Category C?

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. Pregnancy Category C is given to medicines that have not been studied in pregnant humans but do appear to cause harm to the fetus in animal studies.
 
In addition, medicines that have not been adequately studied in pregnant women or animals are automatically given a pregnancy Category C rating.
 
MiraLAX has not been studied in pregnant animals or women. This laxative is not absorbed into the bloodstream, so it would likely not be harmful to a developing fetus. However, because of the lack of information on using MiraLAX during pregnancy, all potential risks cannot be ruled out.
 
In general, a pregnancy Category C medicine should be given to a pregnant woman only if the healthcare provider believes that the benefits to the woman outweigh any possible risks to the unborn child. If you require treatment for constipation during pregnancy, your healthcare provider may recommend other options, such dietary changes. If medication is needed, your healthcare provider may recommend MiraLAX if safer alternatives are not available.
 
 
Pregnancy and Pain

MiraLAX Medication Information

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