Guaifenesin and Breastfeeding

Although women who are breastfeeding can probably take guaifenesin, it is best to discuss the matter with a healthcare provider first. It is unknown if the drug passes through breast milk, but since it can be given to children as young as two months old, it is not expected to cause problems if it does pass through.

Can I Take Guaifenesin While Breastfeeding?

Although it is unknown if guaifenesin passes through breast milk in humans, some sources suggest that the medication is probably compatible with breastfeeding.
 
Guaifenesin is sometimes used directly to treat infants as young as two months old. However, parents should never give this drug to children under the age of four without the specific recommendation from a healthcare provider. Therefore, even if guaifenesin passes through breast milk, it is unlikely to cause serious problems in the nursing child.
 
Keep in mind that guaifenesin cough syrups may contain alcohol and, therefore, should be used in moderation during breastfeeding. Guaifenesin is also frequently marketed in combination products that contain other medications that may or may not be safe for use when nursing.
 

Talking With Your Healthcare Provider

You should discuss breastfeeding and guaifenesin with your healthcare provider. Each woman's situation is different, and you and your healthcare provider understand your situation best. After considering what you want and expect, as well as your current health situation, the two of you can make a shared decision that is right for you.
 
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD
 
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